977116671 has 12 divisors (see below), whose sum is σ = 1427250240. Its totient is φ = 644091360.

The previous prime is 977116631. The next prime is 977116687. The reversal of 977116671 is 176611779.

It is not a de Polignac number, because 977116671 - 2⁹ = 977116159 is a prime.

It is a super-2 number, since 2×977116671² = 1909513977492244482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977116631) 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, 609135 + ... + 610736.

It is an arithmetic number, because the mean of its divisors is an integer number (118937520).

Almost surely, 2^977116671 is an apocalyptic number.

977116671 is a deficient number, since it is larger than the sum of its proper divisors (450133569).

977116671 is a wasteful number, since it uses less digits than its factorization.

977116671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219966 (or 1219963 counting only the distinct ones).

The product of its digits is 111132, while the sum is 45.

The square root of 977116671 is about 31258.8654784527. The cubic root of 977116671 is about 992.3132895401.

The spelling of 977116671 in words is "nine hundred seventy-seven million, one hundred sixteen thousand, six hundred seventy-one".