57800845278 has 24 divisors (see below), whose sum is σ = 136620180216. Its totient is φ = 17515407600.

The previous prime is 57800845243. The next prime is 57800845309. The reversal of 57800845278 is 87254800875.

57800845278 is a `hidden beast` number, since 578 + 0 + 0 + 8 + 45 + 27 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145961533 + ... + 145961928.

It is an arithmetic number, because the mean of its divisors is an integer number (5692507509).

Almost surely, 2^57800845278 is an apocalyptic number.

57800845278 is an abundant number, since it is smaller than the sum of its proper divisors (78819334938).

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

57800845278 is a wasteful number, since it uses less digits than its factorization.

57800845278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291923480 (or 291923477 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 54.

It can be divided in two parts, 578008 and 45278, that added together give a triangular number (623286 = T₁₁₁₆).

The spelling of 57800845278 in words is "fifty-seven billion, eight hundred million, eight hundred forty-five thousand, two hundred seventy-eight".