172264877425788 has 24 divisors (see below), whose sum is σ = 459373006468992. Its totient is φ = 49218536407344.

The previous prime is 172264877425783. The next prime is 172264877425801. The reversal of 172264877425788 is 887524778462271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172264877425783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025386175070 + ... + 1025386175237.

It is an arithmetic number, because the mean of its divisors is an integer number (19140541936208).

Almost surely, 2^{172264877425788} is an apocalyptic number.

It is an amenable number.

172264877425788 is an abundant number, since it is smaller than the sum of its proper divisors (287108129043204).

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

172264877425788 is a wasteful number, since it uses less digits than its factorization.

172264877425788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050772350321 (or 2050772350319 counting only the distinct ones).

The product of its digits is 4720558080, while the sum is 78.

The spelling of 172264877425788 in words is "one hundred seventy-two trillion, two hundred sixty-four billion, eight hundred seventy-seven million, four hundred twenty-five thousand, seven hundred eighty-eight".