977988966848 has 28 divisors (see below), whose sum is σ = 1977313784760. Its totient is φ = 479768170752.

The previous prime is 977988966847. The next prime is 977988966893. The reversal of 977988966848 is 848669889779.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977988966847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144157718 + ... + 144164501.

Almost surely, 2^977988966848 is an apocalyptic number.

It is an amenable number.

977988966848 is an abundant number, since it is smaller than the sum of its proper divisors (999324817912).

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

977988966848 is a wasteful number, since it uses less digits than its factorization.

977988966848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288322284 (or 288322274 counting only the distinct ones).

The product of its digits is 21069103104, while the sum is 89.

The spelling of 977988966848 in words is "nine hundred seventy-seven billion, nine hundred eighty-eight million, nine hundred sixty-six thousand, eight hundred forty-eight".