57659879 has 2 divisors, whose sum is σ = 57659880. Its totient is φ = 57659878.

The previous prime is 57659843. The next prime is 57659887. The reversal of 57659879 is 97895675.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57659879 - 2¹² = 57655783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57659479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28829939 + 28829940.

It is an arithmetic number, because the mean of its divisors is an integer number (28829940).

Almost surely, 2^57659879 is an apocalyptic number.

57659879 is a deficient number, since it is larger than the sum of its proper divisors (1).

57659879 is an equidigital number, since it uses as much as digits as its factorization.

57659879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4762800, while the sum is 56.

The square root of 57659879 is about 7593.4102351974. The cubic root of 57659879 is about 386.3295328170.

The spelling of 57659879 in words is "fifty-seven million, six hundred fifty-nine thousand, eight hundred seventy-nine".