57885471517 has 2 divisors, whose sum is σ = 57885471518. Its totient is φ = 57885471516.

The previous prime is 57885471509. The next prime is 57885471521. The reversal of 57885471517 is 71517458875.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46972326361 + 10913145156 = 216731^2 + 104466^2 .

It is a cyclic number.

It is not a de Polignac number, because 57885471517 - 2³ = 57885471509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57885471317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28942735758 + 28942735759.

It is an arithmetic number, because the mean of its divisors is an integer number (28942735759).

Almost surely, 2^57885471517 is an apocalyptic number.

It is an amenable number.

57885471517 is a deficient number, since it is larger than the sum of its proper divisors (1).

57885471517 is an equidigital number, since it uses as much as digits as its factorization.

57885471517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10976000, while the sum is 58.

The spelling of 57885471517 in words is "fifty-seven billion, eight hundred eighty-five million, four hundred seventy-one thousand, five hundred seventeen".