57863785506 has 16 divisors (see below), whose sum is σ = 119460718848. Its totient is φ = 18665737200.

The previous prime is 57863785439. The next prime is 57863785523. The reversal of 57863785506 is 60558736875.

57863785506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 57863785506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155547625 + ... + 155547996.

It is an arithmetic number, because the mean of its divisors is an integer number (7466294928).

Almost surely, 2^57863785506 is an apocalyptic number.

57863785506 is an abundant number, since it is smaller than the sum of its proper divisors (61596933342).

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

57863785506 is a wasteful number, since it uses less digits than its factorization.

57863785506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311095657.

The product of its (nonzero) digits is 42336000, while the sum is 60.

The spelling of 57863785506 in words is "fifty-seven billion, eight hundred sixty-three million, seven hundred eighty-five thousand, five hundred six".