688772237004012 has 36 divisors (see below), whose sum is σ = 1869524643298200. Its totient is φ = 196792067715264.

The previous prime is 688772237003911. The next prime is 688772237004013. The reversal of 688772237004012 is 210400732277886.

It is a super-2 number, since 2×688772237004012² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (688772237004013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 585690677137 + ... + 585690678312.

Almost surely, 2^{688772237004012} is an apocalyptic number.

It is an amenable number.

688772237004012 is an abundant number, since it is smaller than the sum of its proper divisors (1180752406294188).

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

688772237004012 is a wasteful number, since it uses less digits than its factorization.

688772237004012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171381355470 (or 1171381355461 counting only the distinct ones).

The product of its (nonzero) digits is 12644352, while the sum is 57.

The spelling of 688772237004012 in words is "six hundred eighty-eight trillion, seven hundred seventy-two billion, two hundred thirty-seven million, four thousand, twelve".