57861820858752 has 160 divisors (see below), whose sum is σ = 172638516164400. Its totient is φ = 19237690598400.

The previous prime is 57861820858747. The next prime is 57861820858757. The reversal of 57861820858752 is 25785802816875.

57861820858752 is a `hidden beast` number, since 5 + 7 + 8 + 6 + 18 + 20 + 8 + 587 + 5 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (57861820858747) and next prime (57861820858757).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57861820858757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3140124 + ... + 11206427.

Almost surely, 2^{57861820858752} is an apocalyptic number.

It is an amenable number.

57861820858752 is an abundant number, since it is smaller than the sum of its proper divisors (114776695305648).

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

57861820858752 is a wasteful number, since it uses less digits than its factorization.

57861820858752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14346966 (or 14346945 counting only the distinct ones).

The product of its (nonzero) digits is 602112000, while the sum is 72.

The spelling of 57861820858752 in words is "fifty-seven trillion, eight hundred sixty-one billion, eight hundred twenty million, eight hundred fifty-eight thousand, seven hundred fifty-two".