172967896944 has 60 divisors (see below), whose sum is σ = 484098472312. Its totient is φ = 57652560000.

The previous prime is 172967896943. The next prime is 172967896951. The reversal of 172967896944 is 449698769271.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172967896943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3996219 + ... + 4039269.

Almost surely, 2^172967896944 is an apocalyptic number.

It is an amenable number.

172967896944 is an abundant number, since it is smaller than the sum of its proper divisors (311130575368).

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

172967896944 is a wasteful number, since it uses less digits than its factorization.

172967896944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70966 (or 70957 counting only the distinct ones).

The product of its digits is 329204736, while the sum is 72.

The spelling of 172967896944 in words is "one hundred seventy-two billion, nine hundred sixty-seven million, eight hundred ninety-six thousand, nine hundred forty-four".