172387364315 has 16 divisors (see below), whose sum is σ = 219233871648. Its totient is φ = 129678721536.

The previous prime is 172387364291. The next prime is 172387364321. The reversal of 172387364315 is 513463783271.

172387364315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 172387364315 - 2²⁴ = 172370587099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834857 + ... + 1020666.

It is an arithmetic number, because the mean of its divisors is an integer number (13702116978).

Almost surely, 2^172387364315 is an apocalyptic number.

172387364315 is a deficient number, since it is larger than the sum of its proper divisors (46846507333).

172387364315 is a wasteful number, since it uses less digits than its factorization.

172387364315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856638.

The product of its digits is 2540160, while the sum is 50.

The spelling of 172387364315 in words is "one hundred seventy-two billion, three hundred eighty-seven million, three hundred sixty-four thousand, three hundred fifteen".