977943196 has 12 divisors (see below), whose sum is σ = 1712723152. Its totient is φ = 488593728.

The previous prime is 977943157. The next prime is 977943199. The reversal of 977943196 is 691349779.

977943196 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 not an unprimeable number, because it can be changed into a prime (977943199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88605 + ... + 99028.

Almost surely, 2^977943196 is an apocalyptic number.

It is an amenable number.

977943196 is a deficient number, since it is larger than the sum of its proper divisors (734779956).

977943196 is a wasteful number, since it uses less digits than its factorization.

977943196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188940 (or 188938 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 55.

The square root of 977943196 is about 31272.0833332223. The cubic root of 977943196 is about 992.5930038664.

It can be divided in two parts, 9779 and 43196, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 977943196 in words is "nine hundred seventy-seven million, nine hundred forty-three thousand, one hundred ninety-six".