977195638496 has 96 divisors (see below), whose sum is σ = 2398824771840. Its totient is φ = 380685312000.

The previous prime is 977195638451. The next prime is 977195638501. The reversal of 977195638496 is 694836591779.

It is a super-2 number, since 2×977195638496² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35470295 + ... + 35497833.

It is an arithmetic number, because the mean of its divisors is an integer number (24987758040).

Almost surely, 2^977195638496 is an apocalyptic number.

It is an amenable number.

977195638496 is an abundant number, since it is smaller than the sum of its proper divisors (1421629133344).

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

977195638496 is a wasteful number, since it uses less digits than its factorization.

977195638496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41968 (or 41960 counting only the distinct ones).

The product of its digits is 617258880, while the sum is 74.

The spelling of 977195638496 in words is "nine hundred seventy-seven billion, one hundred ninety-five million, six hundred thirty-eight thousand, four hundred ninety-six".