977864682 has 32 divisors (see below), whose sum is σ = 2047279104. Its totient is φ = 310993200.

The previous prime is 977864669. The next prime is 977864683. The reversal of 977864682 is 286468779.

977864682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×977864682² = 1912438672605922248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (977864683) 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, 23818 + ... + 50229.

It is an arithmetic number, because the mean of its divisors is an integer number (63977472).

Almost surely, 2^977864682 is an apocalyptic number.

977864682 is an abundant number, since it is smaller than the sum of its proper divisors (1069414422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

977864682 is a wasteful number, since it uses less digits than its factorization.

977864682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74154.

The product of its digits is 8128512, while the sum is 57.

The square root of 977864682 is about 31270.8279711299. The cubic root of 977864682 is about 992.5664397697.

The spelling of 977864682 in words is "nine hundred seventy-seven million, eight hundred sixty-four thousand, six hundred eighty-two".