82696657 has 2 divisors, whose sum is σ = 82696658. Its totient is φ = 82696656.

The previous prime is 82696637. The next prime is 82696667. The reversal of 82696657 is 75669628.

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., 74494161 + 8202496 = 8631^2 + 2864^2 .

It is a cyclic number.

It is not a de Polignac number, because 82696657 - 2¹¹ = 82694609 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82696657.

It is not a weakly prime, because it can be changed into another prime (82696637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41348328 + 41348329.

It is an arithmetic number, because the mean of its divisors is an integer number (41348329).

Almost surely, 2^82696657 is an apocalyptic number.

It is an amenable number.

82696657 is a deficient number, since it is larger than the sum of its proper divisors (1).

82696657 is an equidigital number, since it uses as much as digits as its factorization.

82696657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The square root of 82696657 is about 9093.7702302180. The cubic root of 82696657 is about 435.6750113741.

The spelling of 82696657 in words is "eighty-two million, six hundred ninety-six thousand, six hundred fifty-seven".