82968977 has 16 divisors (see below), whose sum is σ = 103082112. Its totient is φ = 65024640.

The previous prime is 82968943. The next prime is 82968983. The reversal of 82968977 is 77986928.

It is a cyclic number.

It is not a de Polignac number, because 82968977 - 2¹⁰ = 82967953 is a prime.

It is a super-2 number, since 2×82968977² = 13767702288853058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82968917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5477 + ... + 13997.

It is an arithmetic number, because the mean of its divisors is an integer number (6442632).

Almost surely, 2^82968977 is an apocalyptic number.

It is an amenable number.

82968977 is a deficient number, since it is larger than the sum of its proper divisors (20113135).

82968977 is a wasteful number, since it uses less digits than its factorization.

82968977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8648.

The product of its digits is 3048192, while the sum is 56.

The square root of 82968977 is about 9108.7308116993. The cubic root of 82968977 is about 436.1527131768.

The spelling of 82968977 in words is "eighty-two million, nine hundred sixty-eight thousand, nine hundred seventy-seven".