688112451038 has 16 divisors (see below), whose sum is σ = 1034234798064. Its totient is φ = 343368201600.

The previous prime is 688112450939. The next prime is 688112451053. The reversal of 688112451038 is 830154211886.

It is a junction number, because it is equal to n+sod(n) for n = 688112450983 and 688112451001.

It is a congruent number.

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, 1856438 + ... + 2196038.

It is an arithmetic number, because the mean of its divisors is an integer number (64639674879).

Almost surely, 2^688112451038 is an apocalyptic number.

688112451038 is a deficient number, since it is larger than the sum of its proper divisors (346122347026).

688112451038 is a wasteful number, since it uses less digits than its factorization.

688112451038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341627.

The product of its (nonzero) digits is 368640, while the sum is 47.

The spelling of 688112451038 in words is "six hundred eighty-eight billion, one hundred twelve million, four hundred fifty-one thousand, thirty-eight".