57868087 has 4 divisors (see below), whose sum is σ = 58083480. Its totient is φ = 57652696.

The previous prime is 57868073. The next prime is 57868093. The reversal of 57868087 is 78086875.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57868087 - 2⁷ = 57867959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57868087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57869087) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 107293 + ... + 107830.

It is an arithmetic number, because the mean of its divisors is an integer number (14520870).

Almost surely, 2^57868087 is an apocalyptic number.

57868087 is a deficient number, since it is larger than the sum of its proper divisors (215393).

57868087 is a wasteful number, since it uses less digits than its factorization.

57868087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215392.

The product of its (nonzero) digits is 752640, while the sum is 49.

The square root of 57868087 is about 7607.1076632318. The cubic root of 57868087 is about 386.7939821369.

The spelling of 57868087 in words is "fifty-seven million, eight hundred sixty-eight thousand, eighty-seven".