8342175837557 has 2 divisors, whose sum is σ = 8342175837558. Its totient is φ = 8342175837556.

The previous prime is 8342175837503. The next prime is 8342175837659. The reversal of 8342175837557 is 7557385712438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6588919138321 + 1753256699236 = 2566889^2 + 1324106^2 .

It is a cyclic number.

It is not a de Polignac number, because 8342175837557 - 2⁶ = 8342175837493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8342175837493 and 8342175837502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8342175831557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4171087918778 + 4171087918779.

It is an arithmetic number, because the mean of its divisors is an integer number (4171087918779).

Almost surely, 2^{8342175837557} is an apocalyptic number.

It is an amenable number.

8342175837557 is a deficient number, since it is larger than the sum of its proper divisors (1).

8342175837557 is an equidigital number, since it uses as much as digits as its factorization.

8342175837557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568000, while the sum is 65.

The spelling of 8342175837557 in words is "eight trillion, three hundred forty-two billion, one hundred seventy-five million, eight hundred thirty-seven thousand, five hundred fifty-seven".