57878470 has 32 divisors (see below), whose sum is σ = 114942240. Its totient is φ = 20847360.

The previous prime is 57878467. The next prime is 57878477. The reversal of 57878470 is 7487875.

It is a self number, because there is not a number n which added to its sum of digits gives 57878470.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57878477) 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, 100 + ... + 10759.

It is an arithmetic number, because the mean of its divisors is an integer number (3591945).

Almost surely, 2^57878470 is an apocalyptic number.

57878470 is a deficient number, since it is larger than the sum of its proper divisors (57063770).

57878470 is a wasteful number, since it uses less digits than its factorization.

57878470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10920.

The product of its (nonzero) digits is 439040, while the sum is 46.

The square root of 57878470 is about 7607.7900864837. The cubic root of 57878470 is about 386.8171142981.

The spelling of 57878470 in words is "fifty-seven million, eight hundred seventy-eight thousand, four hundred seventy".