57678866180 has 96 divisors (see below), whose sum is σ = 135040197600. Its totient is φ = 20547330048.

The previous prime is 57678866173. The next prime is 57678866207. The reversal of 57678866180 is 8166887675.

It can be written as a sum of positive squares in 16 ways, for example, as 2516828224 + 55162037956 = 50168^2 + 234866^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17408204 + ... + 17411516.

It is an arithmetic number, because the mean of its divisors is an integer number (1406668725).

Almost surely, 2^57678866180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57678866180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67520098800).

57678866180 is an abundant number, since it is smaller than the sum of its proper divisors (77361331420).

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

57678866180 is a wasteful number, since it uses less digits than its factorization.

57678866180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5673 (or 5671 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 62.

The spelling of 57678866180 in words is "fifty-seven billion, six hundred seventy-eight million, eight hundred sixty-six thousand, one hundred eighty".