977647194804 has 96 divisors (see below), whose sum is σ = 2832797900800. Its totient is φ = 256089962880.

The previous prime is 977647194803. The next prime is 977647194829. The reversal of 977647194804 is 408491746779.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977647194803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9830539 + ... + 9929490.

Almost surely, 2^977647194804 is an apocalyptic number.

It is an amenable number.

977647194804 is an abundant number, since it is smaller than the sum of its proper divisors (1855150705996).

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

977647194804 is a wasteful number, since it uses less digits than its factorization.

977647194804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19760093 (or 19760091 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 66.

The spelling of 977647194804 in words is "nine hundred seventy-seven billion, six hundred forty-seven million, one hundred ninety-four thousand, eight hundred four".