172934359128 has 80 divisors (see below), whose sum is σ = 484492963680. Its totient is φ = 57630906432.

The previous prime is 172934359099. The next prime is 172934359133. The reversal of 172934359128 is 821953439271.

172934359128 is a `hidden beast` number, since 1 + 7 + 2 + 9 + 3 + 43 + 591 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2862126 + ... + 2921922.

It is an arithmetic number, because the mean of its divisors is an integer number (6056162046).

Almost surely, 2^172934359128 is an apocalyptic number.

172934359128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

172934359128 is an abundant number, since it is smaller than the sum of its proper divisors (311558604552).

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

172934359128 is a wasteful number, since it uses less digits than its factorization.

172934359128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64278 (or 64265 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 172934359128 in words is "one hundred seventy-two billion, nine hundred thirty-four million, three hundred fifty-nine thousand, one hundred twenty-eight".