57075809767 has 2 divisors, whose sum is σ = 57075809768. Its totient is φ = 57075809766.

The previous prime is 57075809731. The next prime is 57075809783. The reversal of 57075809767 is 76790857075.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57075809767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57075819767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28537904883 + 28537904884.

It is an arithmetic number, because the mean of its divisors is an integer number (28537904884).

Almost surely, 2^57075809767 is an apocalyptic number.

57075809767 is a deficient number, since it is larger than the sum of its proper divisors (1).

57075809767 is an equidigital number, since it uses as much as digits as its factorization.

57075809767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25930800, while the sum is 61.

The spelling of 57075809767 in words is "fifty-seven billion, seventy-five million, eight hundred nine thousand, seven hundred sixty-seven".