57870863 has 4 divisors (see below), whose sum is σ = 59866440. Its totient is φ = 55875288.

The previous prime is 57870847. The next prime is 57870871. The reversal of 57870863 is 36807875.

57870863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 57870863 - 2⁴ = 57870847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57879863) 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 3 ways as a sum of consecutive naturals, for example, 997745 + ... + 997802.

It is an arithmetic number, because the mean of its divisors is an integer number (14966610).

Almost surely, 2^57870863 is an apocalyptic number.

57870863 is a deficient number, since it is larger than the sum of its proper divisors (1995577).

57870863 is a wasteful number, since it uses less digits than its factorization.

57870863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995576.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 57870863 is about 7607.2901219817. The cubic root of 57870863 is about 386.8001670250.

The spelling of 57870863 in words is "fifty-seven million, eight hundred seventy thousand, eight hundred sixty-three".