57387881880 has 192 divisors, whose sum is σ = 213405192000. Its totient is φ = 13101834240.

The previous prime is 57387881879. The next prime is 57387881893. The reversal of 57387881880 is 8818878375.

57387881880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2207196 + ... + 2233044.

It is an arithmetic number, because the mean of its divisors is an integer number (1111485375).

Almost surely, 2^57387881880 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 57387881880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106702596000).

57387881880 is an abundant number, since it is smaller than the sum of its proper divisors (156017310120).

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

57387881880 is a wasteful number, since it uses less digits than its factorization.

57387881880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26754 (or 26747 counting only the distinct ones).

The product of its (nonzero) digits is 24084480, while the sum is 63.

The spelling of 57387881880 in words is "fifty-seven billion, three hundred eighty-seven million, eight hundred eighty-one thousand, eight hundred eighty".