128674625688 has 96 divisors (see below), whose sum is σ = 398339884800. Its totient is φ = 36758522304.

The previous prime is 128674625663. The next prime is 128674625759. The reversal of 128674625688 is 886526476821.

128674625688 is a `hidden beast` number, since 1 + 2 + 8 + 6 + 7 + 4 + 62 + 568 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4126845 + ... + 4157907.

It is an arithmetic number, because the mean of its divisors is an integer number (4149373800).

Almost surely, 2^128674625688 is an apocalyptic number.

128674625688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

128674625688 is an abundant number, since it is smaller than the sum of its proper divisors (269665259112).

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

128674625688 is a wasteful number, since it uses less digits than its factorization.

128674625688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39301 (or 39294 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 63.

The spelling of 128674625688 in words is "one hundred twenty-eight billion, six hundred seventy-four million, six hundred twenty-five thousand, six hundred eighty-eight".