977693240880 has 60 divisors (see below), whose sum is σ = 3283419803040. Its totient is φ = 260718197376.

The previous prime is 977693240869. The next prime is 977693240891. The reversal of 977693240880 is 88042396779.

977693240880 is a `hidden beast` number, since 97 + 7 + 69 + 3 + 2 + 408 + 80 = 666.

977693240880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (977693240869) and next prime (977693240891).

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 678952920 + ... + 678954359.

It is an arithmetic number, because the mean of its divisors is an integer number (54723663384).

Almost surely, 2^977693240880 is an apocalyptic number.

977693240880 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

977693240880 is an abundant number, since it is smaller than the sum of its proper divisors (2305726562160).

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

977693240880 is a wasteful number, since it uses less digits than its factorization.

977693240880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357907298 (or 1357907289 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 977693240880 in words is "nine hundred seventy-seven billion, six hundred ninety-three million, two hundred forty thousand, eight hundred eighty".