977995132 has 24 divisors (see below), whose sum is σ = 1809334800. Its totient is φ = 461264256.

The previous prime is 977995093. The next prime is 977995133. The reversal of 977995132 is 231599779.

977995132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 977995132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977995133) 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, 9907 + ... + 45322.

It is an arithmetic number, because the mean of its divisors is an integer number (75388950).

Almost surely, 2^977995132 is an apocalyptic number.

It is an amenable number.

977995132 is a deficient number, since it is larger than the sum of its proper divisors (831339668).

977995132 is a wasteful number, since it uses less digits than its factorization.

977995132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55485 (or 55483 counting only the distinct ones).

The product of its digits is 1071630, while the sum is 52.

The square root of 977995132 is about 31272.9137113893. The cubic root of 977995132 is about 992.6105748930.

The spelling of 977995132 in words is "nine hundred seventy-seven million, nine hundred ninety-five thousand, one hundred thirty-two".