977835964140 has 120 divisors (see below), whose sum is σ = 3505723052832. Its totient is φ = 223505360640.

The previous prime is 977835964139. The next prime is 977835964249. The reversal of 977835964140 is 41469538779.

977835964140 is a `hidden beast` number, since 97 + 7 + 83 + 59 + 6 + 414 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 43103121 + ... + 43125800.

Almost surely, 2^977835964140 is an apocalyptic number.

977835964140 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

977835964140 is an abundant number, since it is smaller than the sum of its proper divisors (2527887088692).

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

977835964140 is a wasteful number, since it uses less digits than its factorization.

977835964140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86228949 (or 86228938 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 977835964140 in words is "nine hundred seventy-seven billion, eight hundred thirty-five million, nine hundred sixty-four thousand, one hundred forty".