977545264 has 20 divisors (see below), whose sum is σ = 1976342256. Its totient is φ = 467521472.

The previous prime is 977545243. The next prime is 977545297. The reversal of 977545264 is 462545779.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327819 + ... + 1328554.

Almost surely, 2^977545264 is an apocalyptic number.

It is an amenable number.

977545264 is an abundant number, since it is smaller than the sum of its proper divisors (998796992).

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

977545264 is a wasteful number, since it uses less digits than its factorization.

977545264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656404 (or 2656398 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 49.

The square root of 977545264 is about 31265.7202699698. The cubic root of 977545264 is about 992.4583545647.

The spelling of 977545264 in words is "nine hundred seventy-seven million, five hundred forty-five thousand, two hundred sixty-four".