1487155968 has 54 divisors (see below), whose sum is σ = 4287843924. Its totient is φ = 495717888.

The previous prime is 1487155909. The next prime is 1487155979. The reversal of 1487155968 is 8695517841.

It is a happy number.

1487155968 is a `hidden beast` number, since 1 + 4 + 87 + 1 + 559 + 6 + 8 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320430 + ... + 325037.

Almost surely, 2^1487155968 is an apocalyptic number.

1487155968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1487155968 is an abundant number, since it is smaller than the sum of its proper divisors (2800687956).

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

1487155968 is an equidigital number, since it uses as much as digits as its factorization.

1487155968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645489 (or 645472 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 54.

The square root of 1487155968 is about 38563.6612369728. The cubic root of 1487155968 is about 1141.4375954092.

The spelling of 1487155968 in words is "one billion, four hundred eighty-seven million, one hundred fifty-five thousand, nine hundred sixty-eight".