57868818407 has 2 divisors, whose sum is σ = 57868818408. Its totient is φ = 57868818406.

The previous prime is 57868818391. The next prime is 57868818473. The reversal of 57868818407 is 70481886875.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57868818407 - 2⁴ = 57868818391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57868818407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57868818307) 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 as a sum of consecutive naturals, namely, 28934409203 + 28934409204.

It is an arithmetic number, because the mean of its divisors is an integer number (28934409204).

Almost surely, 2^57868818407 is an apocalyptic number.

57868818407 is a deficient number, since it is larger than the sum of its proper divisors (1).

57868818407 is an equidigital number, since it uses as much as digits as its factorization.

57868818407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24084480, while the sum is 62.

The spelling of 57868818407 in words is "fifty-seven billion, eight hundred sixty-eight million, eight hundred eighteen thousand, four hundred seven".