57802878 has 48 divisors (see below), whose sum is σ = 144967680. Its totient is φ = 16303248.

The previous prime is 57802837. The next prime is 57802889. The reversal of 57802878 is 87820875.

It is a happy number.

57802878 is a `hidden beast` number, since 578 + 0 + 2 + 8 + 78 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7051 + ... + 12857.

It is an arithmetic number, because the mean of its divisors is an integer number (3020160).

Almost surely, 2^57802878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57802878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72483840).

57802878 is an abundant number, since it is smaller than the sum of its proper divisors (87164802).

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

57802878 is a wasteful number, since it uses less digits than its factorization.

57802878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5901 (or 5898 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The square root of 57802878 is about 7602.8203977208. The cubic root of 57802878 is about 386.6486404927.

The spelling of 57802878 in words is "fifty-seven million, eight hundred two thousand, eight hundred seventy-eight".