57078870 has 32 divisors (see below), whose sum is σ = 142947072. Its totient is φ = 14559072.

The previous prime is 57078823. The next prime is 57078871. The reversal of 57078870 is 7887075.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57078871) 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, 40672 + ... + 42051.

It is an arithmetic number, because the mean of its divisors is an integer number (4467096).

Almost surely, 2^57078870 is an apocalyptic number.

57078870 is an abundant number, since it is smaller than the sum of its proper divisors (85868202).

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

57078870 is a wasteful number, since it uses less digits than its factorization.

57078870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82756.

The product of its (nonzero) digits is 109760, while the sum is 42.

The square root of 57078870 is about 7555.0559230227. The cubic root of 57078870 is about 385.0275349959.

The spelling of 57078870 in words is "fifty-seven million, seventy-eight thousand, eight hundred seventy".