977198912 has 28 divisors (see below), whose sum is σ = 1953097440. Its totient is φ = 485079936.

The previous prime is 977198903. The next prime is 977198917. The reversal of 977198912 is 219891779.

It is a super-2 number, since 2×977198912² = 1909835427227967488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977198917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46028 + ... + 63819.

It is an arithmetic number, because the mean of its divisors is an integer number (69753480).

Almost surely, 2^977198912 is an apocalyptic number.

It is an amenable number.

977198912 is a deficient number, since it is larger than the sum of its proper divisors (975898528).

977198912 is a wasteful number, since it uses less digits than its factorization.

977198912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109998 (or 109988 counting only the distinct ones).

The product of its digits is 571536, while the sum is 53.

The square root of 977198912 is about 31260.1809335775. The cubic root of 977198912 is about 992.3411287771.

The spelling of 977198912 in words is "nine hundred seventy-seven million, one hundred ninety-eight thousand, nine hundred twelve".