688472693760 has 88 divisors (see below), whose sum is σ = 2202036930576. Its totient is φ = 183592714240.

The previous prime is 688472693747. The next prime is 688472693773. The reversal of 688472693760 is 67396274886.

It is an interprime number because it is at equal distance from previous prime (688472693747) and next prime (688472693773).

It is a junction number, because it is equal to n+sod(n) for n = 688472693691 and 688472693700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22395861 + ... + 22426580.

Almost surely, 2^688472693760 is an apocalyptic number.

688472693760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

688472693760 is an abundant number, since it is smaller than the sum of its proper divisors (1513564236816).

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

688472693760 is a wasteful number, since it uses less digits than its factorization.

688472693760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44822469 (or 44822451 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 66.

The spelling of 688472693760 in words is "six hundred eighty-eight billion, four hundred seventy-two million, six hundred ninety-three thousand, seven hundred sixty".