57642787337 has 2 divisors, whose sum is σ = 57642787338. Its totient is φ = 57642787336.

The previous prime is 57642787277. The next prime is 57642787361. The reversal of 57642787337 is 73378724675.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48250076281 + 9392711056 = 219659^2 + 96916^2 .

It is a cyclic number.

It is not a de Polignac number, because 57642787337 - 2²⁰ = 57641738761 is a prime.

It is not a weakly prime, because it can be changed into another prime (57642781337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28821393668 + 28821393669.

It is an arithmetic number, because the mean of its divisors is an integer number (28821393669).

Almost surely, 2^57642787337 is an apocalyptic number.

It is an amenable number.

57642787337 is a deficient number, since it is larger than the sum of its proper divisors (1).

57642787337 is an equidigital number, since it uses as much as digits as its factorization.

57642787337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41489280, while the sum is 59.

The spelling of 57642787337 in words is "fifty-seven billion, six hundred forty-two million, seven hundred eighty-seven thousand, three hundred thirty-seven".