1487299968 has 576 divisors, whose sum is σ = 5781784320. Its totient is φ = 369515520.

The previous prime is 1487299967. The next prime is 1487299973. The reversal of 1487299968 is 8699927841.

1487299968 is a `hidden beast` number, since 1 + 487 + 2 + 9 + 99 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×1487299968² = 4424122389625602048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1487299967) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 64665205 + ... + 64665227.

It is an arithmetic number, because the mean of its divisors is an integer number (10037820).

Almost surely, 2^1487299968 is an apocalyptic number.

1487299968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1487299968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2890892160).

1487299968 is an abundant number, since it is smaller than the sum of its proper divisors (4294484352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1487299968 is an frugal number, since it uses more digits than its factorization.

1487299968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 46 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The square root of 1487299968 is about 38565.5282344220. The cubic root of 1487299968 is about 1141.4744356852.

The spelling of 1487299968 in words is "one billion, four hundred eighty-seven million, two hundred ninety-nine thousand, nine hundred sixty-eight".