57408678 has 12 divisors (see below), whose sum is σ = 124385508. Its totient is φ = 19136220.

The previous prime is 57408653. The next prime is 57408727. The reversal of 57408678 is 87680475.

57408678 is a `hidden beast` number, since 574 + 0 + 8 + 6 + 78 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1594668 + ... + 1594703.

It is an arithmetic number, because the mean of its divisors is an integer number (10365459).

Almost surely, 2^57408678 is an apocalyptic number.

57408678 is an abundant number, since it is smaller than the sum of its proper divisors (66976830).

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

57408678 is a wasteful number, since it uses less digits than its factorization.

57408678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189379 (or 3189376 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 57408678 is about 7576.8514569048. The cubic root of 57408678 is about 385.7676884320.

The spelling of 57408678 in words is "fifty-seven million, four hundred eight thousand, six hundred seventy-eight".