57794649817 has 2 divisors, whose sum is σ = 57794649818. Its totient is φ = 57794649816.

The previous prime is 57794649751. The next prime is 57794649821. The reversal of 57794649817 is 71894649775.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50213639056 + 7581010761 = 224084^2 + 87069^2 .

It is a cyclic number.

It is not a de Polignac number, because 57794649817 - 2¹¹ = 57794647769 is a prime.

It is not a weakly prime, because it can be changed into another prime (57794629817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28897324908 + 28897324909.

It is an arithmetic number, because the mean of its divisors is an integer number (28897324909).

Almost surely, 2^57794649817 is an apocalyptic number.

It is an amenable number.

57794649817 is a deficient number, since it is larger than the sum of its proper divisors (1).

57794649817 is an equidigital number, since it uses as much as digits as its factorization.

57794649817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 106686720, while the sum is 67.

The spelling of 57794649817 in words is "fifty-seven billion, seven hundred ninety-four million, six hundred forty-nine thousand, eight hundred seventeen".