172308870827008 has 44 divisors (see below), whose sum is σ = 350096184043072. Its totient is φ = 84742067589120.

The previous prime is 172308870826987. The next prime is 172308870827021. The reversal of 172308870827008 is 800728078803271.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379202960 + ... + 1379327887.

Almost surely, 2^{172308870827008} is an apocalyptic number.

It is an amenable number.

172308870827008 is an abundant number, since it is smaller than the sum of its proper divisors (177787313216064).

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

172308870827008 is an equidigital number, since it uses as much as digits as its factorization.

172308870827008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758530928 (or 2758530910 counting only the distinct ones).

The product of its (nonzero) digits is 16859136, while the sum is 61.

The spelling of 172308870827008 in words is "one hundred seventy-two trillion, three hundred eight billion, eight hundred seventy million, eight hundred twenty-seven thousand, eight".