977498974986 has 32 divisors (see below), whose sum is σ = 2000718878400. Its totient is φ = 318214775424.

The previous prime is 977498974979. The next prime is 977498974993. The reversal of 977498974986 is 689479894779.

It is an interprime number because it is at equal distance from previous prime (977498974979) and next prime (977498974993).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1812526 + ... + 2289158.

It is an arithmetic number, because the mean of its divisors is an integer number (62522464950).

Almost surely, 2^977498974986 is an apocalyptic number.

977498974986 is an abundant number, since it is smaller than the sum of its proper divisors (1023219903414).

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

977498974986 is a wasteful number, since it uses less digits than its factorization.

977498974986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484630.

The product of its digits is 13826598912, while the sum is 87.

The spelling of 977498974986 in words is "nine hundred seventy-seven billion, four hundred ninety-eight million, nine hundred seventy-four thousand, nine hundred eighty-six".