57840879 has 16 divisors (see below), whose sum is σ = 80898048. Its totient is φ = 36716832.

The previous prime is 57840869. The next prime is 57840889. The reversal of 57840879 is 97804875.

It is an interprime number because it is at equal distance from previous prime (57840869) and next prime (57840889).

It is not a de Polignac number, because 57840879 - 2⁸ = 57840623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57840829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327 + ... + 10760.

It is an arithmetic number, because the mean of its divisors is an integer number (5056128).

Almost surely, 2^57840879 is an apocalyptic number.

57840879 is a deficient number, since it is larger than the sum of its proper divisors (23057169).

57840879 is a wasteful number, since it uses less digits than its factorization.

57840879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11174.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 57840879 is about 7605.3191254542. The cubic root of 57840879 is about 386.7333526317.

The spelling of 57840879 in words is "fifty-seven million, eight hundred forty thousand, eight hundred seventy-nine".