172632478808 has 16 divisors (see below), whose sum is σ = 330572832480. Its totient is φ = 84479723488.

The previous prime is 172632478801. The next prime is 172632478817. The reversal of 172632478808 is 808874236271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172632478801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229564091 + ... + 229564842.

It is an arithmetic number, because the mean of its divisors is an integer number (20660802030).

Almost surely, 2^172632478808 is an apocalyptic number.

It is an amenable number.

172632478808 is a deficient number, since it is larger than the sum of its proper divisors (157940353672).

172632478808 is a wasteful number, since it uses less digits than its factorization.

172632478808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459128986 (or 459128982 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 56.

The spelling of 172632478808 in words is "one hundred seventy-two billion, six hundred thirty-two million, four hundred seventy-eight thousand, eight hundred eight".