128762974824 has 32 divisors (see below), whose sum is σ = 351171750240. Its totient is φ = 39019083200.

The previous prime is 128762974817. The next prime is 128762974859. The reversal of 128762974824 is 428479267821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243869007 + ... + 243869534.

It is an arithmetic number, because the mean of its divisors is an integer number (10974117195).

Almost surely, 2^128762974824 is an apocalyptic number.

It is an amenable number.

128762974824 is an abundant number, since it is smaller than the sum of its proper divisors (222408775416).

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

128762974824 is a wasteful number, since it uses less digits than its factorization.

128762974824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487738561 (or 487738557 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 60.

The spelling of 128762974824 in words is "one hundred twenty-eight billion, seven hundred sixty-two million, nine hundred seventy-four thousand, eight hundred twenty-four".