977655316 has 36 divisors (see below), whose sum is σ = 1883565684. Its totient is φ = 443681920.

The previous prime is 977655313. The next prime is 977655323. The reversal of 977655316 is 613556779.

It can be written as a sum of positive squares in 2 ways, for example, as 569776900 + 407878416 = 23870^2 + 20196^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 977655316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977655313) 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, 413610 + ... + 415966.

It is an arithmetic number, because the mean of its divisors is an integer number (52321269).

Almost surely, 2^977655316 is an apocalyptic number.

It is an amenable number.

977655316 is a deficient number, since it is larger than the sum of its proper divisors (905910368).

977655316 is a wasteful number, since it uses less digits than its factorization.

977655316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240 (or 3227 counting only the distinct ones).

The product of its digits is 1190700, while the sum is 49.

The square root of 977655316 is about 31267.4801671001. The cubic root of 977655316 is about 992.4955968055.

The spelling of 977655316 in words is "nine hundred seventy-seven million, six hundred fifty-five thousand, three hundred sixteen".