688625456496 has 60 divisors (see below), whose sum is σ = 1805897430792. Its totient is φ = 226115750784.

The previous prime is 688625456489. The next prime is 688625456507. The reversal of 688625456496 is 694654526886.

It is a self number, because there is not a number n which added to its sum of digits gives 688625456496.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1382475 + ... + 1813418.

Almost surely, 2^688625456496 is an apocalyptic number.

It is an amenable number.

688625456496 is an abundant number, since it is smaller than the sum of its proper divisors (1117271974296).

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

688625456496 is a wasteful number, since it uses less digits than its factorization.

688625456496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196038 (or 3195965 counting only the distinct ones).

The product of its digits is 597196800, while the sum is 69.

The spelling of 688625456496 in words is "six hundred eighty-eight billion, six hundred twenty-five million, four hundred fifty-six thousand, four hundred ninety-six".