82692507257 has 2 divisors, whose sum is σ = 82692507258. Its totient is φ = 82692507256.

The previous prime is 82692507241. The next prime is 82692507277. The reversal of 82692507257 is 75270529628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67589080441 + 15103426816 = 259979^2 + 122896^2 .

It is a cyclic number.

It is not a de Polignac number, because 82692507257 - 2⁴ = 82692507241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82692507199 and 82692507208.

It is not a weakly prime, because it can be changed into another prime (82692507277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41346253628 + 41346253629.

It is an arithmetic number, because the mean of its divisors is an integer number (41346253629).

Almost surely, 2^82692507257 is an apocalyptic number.

It is an amenable number.

82692507257 is a deficient number, since it is larger than the sum of its proper divisors (1).

82692507257 is an equidigital number, since it uses as much as digits as its factorization.

82692507257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 82692507257 in words is "eighty-two billion, six hundred ninety-two million, five hundred seven thousand, two hundred fifty-seven".