868498488 has 192 divisors, whose sum is σ = 2806876800. Its totient is φ = 239120640.

The previous prime is 868498487. The next prime is 868498529. The reversal of 868498488 is 884894868.

It is a happy number.

868498488 is a `hidden beast` number, since 8 + 68 + 4 + 98 + 488 = 666.

It is a super-2 number, since 2×868498488² = 1508579247316572288, which contains 22 as substring.

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 (868498481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 689203 + ... + 690461.

It is an arithmetic number, because the mean of its divisors is an integer number (14619150).

Almost surely, 2^868498488 is an apocalyptic number.

868498488 is a gapful number since it is divisible by the number (88) 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 868498488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403438400).

868498488 is an abundant number, since it is smaller than the sum of its proper divisors (1938378312).

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

868498488 is a wasteful number, since it uses less digits than its factorization.

868498488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362 (or 1355 counting only the distinct ones).

The product of its digits is 28311552, while the sum is 63.

The square root of 868498488 is about 29470.2984036470. The cubic root of 868498488 is about 954.0907578173.

The spelling of 868498488 in words is "eight hundred sixty-eight million, four hundred ninety-eight thousand, four hundred eighty-eight".