172892308917904 has 45 divisors (see below), whose sum is σ = 335745381842787. Its totient is φ = 86248790190432.

The previous prime is 172892308917863. The next prime is 172892308917907. The reversal of 172892308917904 is 409719803298271.

The square root of 172892308917904 is 13148852.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172892308917907) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24562052017 + ... + 24562059055.

Almost surely, 2^{172892308917904} is an apocalyptic number.

172892308917904 is the 13148852-nd square number.

It is an amenable number.

172892308917904 is a deficient number, since it is larger than the sum of its proper divisors (162853072924883).

172892308917904 is an frugal number, since it uses more digits than its factorization.

172892308917904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15020 (or 7508 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 70.

The spelling of 172892308917904 in words is "one hundred seventy-two trillion, eight hundred ninety-two billion, three hundred eight million, nine hundred seventeen thousand, nine hundred four".