977143488662 has 12 divisors (see below), whose sum is σ = 1611075421788. Its totient is φ = 444156131100.

The previous prime is 977143488623. The next prime is 977143488679. The reversal of 977143488662 is 266884341779.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2018891264 + ... + 2018891747.

It is an arithmetic number, because the mean of its divisors is an integer number (134256285149).

Almost surely, 2^977143488662 is an apocalyptic number.

977143488662 is a deficient number, since it is larger than the sum of its proper divisors (633931933126).

977143488662 is a wasteful number, since it uses less digits than its factorization.

977143488662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037783035 (or 4037783024 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 65.

The spelling of 977143488662 in words is "nine hundred seventy-seven billion, one hundred forty-three million, four hundred eighty-eight thousand, six hundred sixty-two".