57808306494 has 24 divisors (see below), whose sum is σ = 128636503320. Its totient is φ = 18748639728.

The previous prime is 57808306477. The next prime is 57808306499. The reversal of 57808306494 is 49460380875.

57808306494 is a `hidden beast` number, since 5 + 78 + 0 + 83 + 0 + 6 + 494 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 57808306494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57808306499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43398964 + ... + 43400295.

It is an arithmetic number, because the mean of its divisors is an integer number (5359854305).

Almost surely, 2^57808306494 is an apocalyptic number.

57808306494 is an abundant number, since it is smaller than the sum of its proper divisors (70828196826).

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

57808306494 is a wasteful number, since it uses less digits than its factorization.

57808306494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86799304 (or 86799301 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 57808306494 in words is "fifty-seven billion, eight hundred eight million, three hundred six thousand, four hundred ninety-four".