977064976968 has 32 divisors (see below), whose sum is σ = 2571223624800. Its totient is φ = 308546834688.

The previous prime is 977064976913. The next prime is 977064976969. The reversal of 977064976968 is 869679460779.

977064976968 is digitally balanced in base 2 and base 4, because in such bases 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 = 977064976893 and 977064976902.

It is not an unprimeable number, because it can be changed into a prime (977064976969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1071342721 + ... + 1071343632.

It is an arithmetic number, because the mean of its divisors is an integer number (80350738275).

Almost surely, 2^977064976968 is an apocalyptic number.

It is an amenable number.

977064976968 is an abundant number, since it is smaller than the sum of its proper divisors (1594158647832).

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

977064976968 is a wasteful number, since it uses less digits than its factorization.

977064976968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142686381 (or 2142686377 counting only the distinct ones).

The product of its (nonzero) digits is 1728324864, while the sum is 78.

The spelling of 977064976968 in words is "nine hundred seventy-seven billion, sixty-four million, nine hundred seventy-six thousand, nine hundred sixty-eight".