57878466 has 16 divisors (see below), whose sum is σ = 115833888. Its totient is φ = 19280000.

The previous prime is 57878459. The next prime is 57878467. The reversal of 57878466 is 66487875.

It is not an unprimeable number, because it can be changed into a prime (57878467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12466 + ... + 16466.

It is an arithmetic number, because the mean of its divisors is an integer number (7239618).

Almost surely, 2^57878466 is an apocalyptic number.

57878466 is an abundant number, since it is smaller than the sum of its proper divisors (57955422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57878466 is a wasteful number, since it uses less digits than its factorization.

57878466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6417.

The product of its digits is 2257920, while the sum is 51.

The square root of 57878466 is about 7607.7898235953. The cubic root of 57878466 is about 386.8171053871.

The spelling of 57878466 in words is "fifty-seven million, eight hundred seventy-eight thousand, four hundred sixty-six".