57776471982 has 24 divisors (see below), whose sum is σ = 125266598496. Its totient is φ = 19245863616.

The previous prime is 57776471971. The next prime is 57776471999. The reversal of 57776471982 is 28917467775.

57776471982 is a `hidden beast` number, since 5 + 7 + 7 + 76 + 471 + 98 + 2 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 1052523 + ... + 1106054.

It is an arithmetic number, because the mean of its divisors is an integer number (5219441604).

Almost surely, 2^57776471982 is an apocalyptic number.

57776471982 is an abundant number, since it is smaller than the sum of its proper divisors (67490126514).

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

57776471982 is a wasteful number, since it uses less digits than its factorization.

57776471982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160072 (or 2160069 counting only the distinct ones).

The product of its digits is 41489280, while the sum is 63.

The spelling of 57776471982 in words is "fifty-seven billion, seven hundred seventy-six million, four hundred seventy-one thousand, nine hundred eighty-two".