172028122824 has 64 divisors (see below), whose sum is σ = 430945194240. Its totient is φ = 57226176000.

The previous prime is 172028122801. The next prime is 172028122843. The reversal of 172028122824 is 428221820271.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36206449 + ... + 36211199.

It is an arithmetic number, because the mean of its divisors is an integer number (6733518660).

Almost surely, 2^172028122824 is an apocalyptic number.

It is an amenable number.

172028122824 is an abundant number, since it is smaller than the sum of its proper divisors (258917071416).

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

172028122824 is a wasteful number, since it uses less digits than its factorization.

172028122824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7510 (or 7506 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The spelling of 172028122824 in words is "one hundred seventy-two billion, twenty-eight million, one hundred twenty-two thousand, eight hundred twenty-four".