57978918752 has 48 divisors (see below), whose sum is σ = 116996322240. Its totient is φ = 28270030848.

The previous prime is 57978918737. The next prime is 57978918821. The reversal of 57978918752 is 25781987975.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347024 + ... + 486192.

It is an arithmetic number, because the mean of its divisors is an integer number (2437423380).

Almost surely, 2^57978918752 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 57978918752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58498161120).

57978918752 is an abundant number, since it is smaller than the sum of its proper divisors (59017403488).

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

57978918752 is a wasteful number, since it uses less digits than its factorization.

57978918752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139503 (or 139495 counting only the distinct ones).

The product of its digits is 88905600, while the sum is 68.

The spelling of 57978918752 in words is "fifty-seven billion, nine hundred seventy-eight million, nine hundred eighteen thousand, seven hundred fifty-two".