57893987 has 2 divisors, whose sum is σ = 57893988. Its totient is φ = 57893986.

The previous prime is 57893977. The next prime is 57894029. The reversal of 57893987 is 78939875.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57893987 - 2⁴ = 57893971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57893977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28946993 + 28946994.

It is an arithmetic number, because the mean of its divisors is an integer number (28946994).

Almost surely, 2^57893987 is an apocalyptic number.

57893987 is a deficient number, since it is larger than the sum of its proper divisors (1).

57893987 is an equidigital number, since it uses as much as digits as its factorization.

57893987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 56.

The square root of 57893987 is about 7608.8098280874. The cubic root of 57893987 is about 386.8516792803.

The spelling of 57893987 in words is "fifty-seven million, eight hundred ninety-three thousand, nine hundred eighty-seven".