172632768807 has 8 divisors (see below), whose sum is σ = 230196029184. Its totient is φ = 115079010488.

The previous prime is 172632768799. The next prime is 172632768821. The reversal of 172632768807 is 708867236271.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172632768807 - 2³ = 172632768799 is a prime.

It is a super-2 number, since 2×172632768807² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172632768887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2333013 + ... + 2405870.

It is an arithmetic number, because the mean of its divisors is an integer number (28774503648).

Almost surely, 2^172632768807 is an apocalyptic number.

172632768807 is a deficient number, since it is larger than the sum of its proper divisors (57563260377).

172632768807 is a wasteful number, since it uses less digits than its factorization.

172632768807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4751029.

The product of its (nonzero) digits is 9483264, while the sum is 57.

The spelling of 172632768807 in words is "one hundred seventy-two billion, six hundred thirty-two million, seven hundred sixty-eight thousand, eight hundred seven".