977172 has 24 divisors (see below), whose sum is σ = 2606016. Its totient is φ = 279168.

The previous prime is 977167. The next prime is 977183. The reversal of 977172 is 271779.

977172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5733 + ... + 5900.

It is an arithmetic number, because the mean of its divisors is an integer number (108584).

2⁹⁷⁷¹⁷² is an apocalyptic number.

It is an amenable number.

977172 is an abundant number, since it is smaller than the sum of its proper divisors (1628844).

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

977172 is a wasteful number, since it uses less digits than its factorization.

977172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11647 (or 11645 counting only the distinct ones).

The product of its digits is 6174, while the sum is 33.

The square root of 977172 is about 988.5201060171. The cubic root of 977172 is about 99.2332019022.

The spelling of 977172 in words is "nine hundred seventy-seven thousand, one hundred seventy-two".