977364856 has 24 divisors (see below), whose sum is σ = 1984371480. Its totient is φ = 451090848.

The previous prime is 977364851. The next prime is 977364863. The reversal of 977364856 is 658463779.

It is a happy number.

977364856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 977364797 and 977364806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977364851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 360100 + ... + 362803.

It is an arithmetic number, because the mean of its divisors is an integer number (82682145).

Almost surely, 2^977364856 is an apocalyptic number.

It is an amenable number.

977364856 is an abundant number, since it is smaller than the sum of its proper divisors (1007006624).

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

977364856 is a wasteful number, since it uses less digits than its factorization.

977364856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722935 (or 722918 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 55.

The square root of 977364856 is about 31262.8350601797. The cubic root of 977364856 is about 992.3972973946.

The spelling of 977364856 in words is "nine hundred seventy-seven million, three hundred sixty-four thousand, eight hundred fifty-six".