88685477688 has 32 divisors (see below), whose sum is σ = 221955004800. Its totient is φ = 29529651168.

The previous prime is 88685477653. The next prime is 88685477723. The reversal of 88685477688 is 88677458688.

It is an interprime number because it is at equal distance from previous prime (88685477653) and next prime (88685477723).

It is a super-2 number, since 2×88685477688² (a number of 23 digits) contains 22 as substring.

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, 1988406 + ... + 2032517.

It is an arithmetic number, because the mean of its divisors is an integer number (6936093900).

Almost surely, 2^88685477688 is an apocalyptic number.

It is an amenable number.

88685477688 is an abundant number, since it is smaller than the sum of its proper divisors (133269527112).

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

88685477688 is a wasteful number, since it uses less digits than its factorization.

88685477688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021851 (or 4021847 counting only the distinct ones).

The product of its digits is 1156055040, while the sum is 75.

The spelling of 88685477688 in words is "eighty-eight billion, six hundred eighty-five million, four hundred seventy-seven thousand, six hundred eighty-eight".