868492571328 has 84 divisors (see below), whose sum is σ = 2500343940120. Its totient is φ = 288222160896.

The previous prime is 868492571299. The next prime is 868492571341. The reversal of 868492571328 is 823175294868.

868492571328 is a `hidden beast` number, since 8 + 6 + 8 + 492 + 5 + 7 + 132 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3190393 + ... + 3451896.

Almost surely, 2^868492571328 is an apocalyptic number.

It is an amenable number.

868492571328 is an abundant number, since it is smaller than the sum of its proper divisors (1631851368792).

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

868492571328 is a wasteful number, since it uses less digits than its factorization.

868492571328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6642534 (or 6642521 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The spelling of 868492571328 in words is "eight hundred sixty-eight billion, four hundred ninety-two million, five hundred seventy-one thousand, three hundred twenty-eight".