17057780137 has 2 divisors, whose sum is σ = 17057780138. Its totient is φ = 17057780136.

The previous prime is 17057780107. The next prime is 17057780197. The reversal of 17057780137 is 73108775071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17009115561 + 48664576 = 130419^2 + 6976^2 .

It is an emirp because it is prime and its reverse (73108775071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17057780137 - 2²³ = 17049391529 is a prime.

It is not a weakly prime, because it can be changed into another prime (17057780107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8528890068 + 8528890069.

It is an arithmetic number, because the mean of its divisors is an integer number (8528890069).

Almost surely, 2^17057780137 is an apocalyptic number.

It is an amenable number.

17057780137 is a deficient number, since it is larger than the sum of its proper divisors (1).

17057780137 is an equidigital number, since it uses as much as digits as its factorization.

17057780137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288120, while the sum is 46.

The spelling of 17057780137 in words is "seventeen billion, fifty-seven million, seven hundred eighty thousand, one hundred thirty-seven".