57678713 has 2 divisors, whose sum is σ = 57678714. Its totient is φ = 57678712.

The previous prime is 57678707. The next prime is 57678743. The reversal of 57678713 is 31787675.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46676224 + 11002489 = 6832^2 + 3317^2 .

It is a cyclic number.

It is not a de Polignac number, because 57678713 - 2⁴ = 57678697 is a prime.

It is not a weakly prime, because it can be changed into another prime (57678743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28839356 + 28839357.

It is an arithmetic number, because the mean of its divisors is an integer number (28839357).

Almost surely, 2^57678713 is an apocalyptic number.

It is an amenable number.

57678713 is a deficient number, since it is larger than the sum of its proper divisors (1).

57678713 is an equidigital number, since it uses as much as digits as its factorization.

57678713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 246960, while the sum is 44.

The square root of 57678713 is about 7594.6502881963. The cubic root of 57678713 is about 386.3715917464.

The spelling of 57678713 in words is "fifty-seven million, six hundred seventy-eight thousand, seven hundred thirteen".