977131288 has 16 divisors (see below), whose sum is σ = 2093852880. Its totient is φ = 418770528.

The previous prime is 977131279. The next prime is 977131291. The reversal of 977131288 is 882131779.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8724331 + ... + 8724442.

It is an arithmetic number, because the mean of its divisors is an integer number (130865805).

Almost surely, 2^977131288 is an apocalyptic number.

It is an amenable number.

977131288 is an abundant number, since it is smaller than the sum of its proper divisors (1116721592).

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

977131288 is a wasteful number, since it uses less digits than its factorization.

977131288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17448786 (or 17448782 counting only the distinct ones).

The product of its digits is 169344, while the sum is 46.

The square root of 977131288 is about 31259.0992832487. The cubic root of 977131288 is about 992.3182376257.

The spelling of 977131288 in words is "nine hundred seventy-seven million, one hundred thirty-one thousand, two hundred eighty-eight".