57877878 has 8 divisors (see below), whose sum is σ = 115755768. Its totient is φ = 19292624.

The previous prime is 57877873. The next prime is 57877891. The reversal of 57877878 is 87877875.

It is a sphenic number, since it is the product of 3 distinct primes.

57877878 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57877873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4823151 + ... + 4823162.

It is an arithmetic number, because the mean of its divisors is an integer number (14469471).

Almost surely, 2^57877878 is an apocalyptic number.

57877878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57877878 is a wasteful number, since it uses less digits than its factorization.

57877878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9646318.

The product of its digits is 6146560, while the sum is 57.

The square root of 57877878 is about 7607.7511788964. The cubic root of 57877878 is about 386.8157954628.

The spelling of 57877878 in words is "fifty-seven million, eight hundred seventy-seven thousand, eight hundred seventy-eight".