82677317 has 2 divisors, whose sum is σ = 82677318. Its totient is φ = 82677316.

The previous prime is 82677313. The next prime is 82677359. The reversal of 82677317 is 71377628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75446596 + 7230721 = 8686^2 + 2689^2 .

It is a cyclic number.

It is not a de Polignac number, because 82677317 - 2² = 82677313 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82677311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41338658 + 41338659.

It is an arithmetic number, because the mean of its divisors is an integer number (41338659).

Almost surely, 2^82677317 is an apocalyptic number.

It is an amenable number.

82677317 is a deficient number, since it is larger than the sum of its proper divisors (1).

82677317 is an equidigital number, since it uses as much as digits as its factorization.

82677317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784, while the sum is 41.

The square root of 82677317 is about 9092.7068027073. The cubic root of 82677317 is about 435.6410454236.

The spelling of 82677317 in words is "eighty-two million, six hundred seventy-seven thousand, three hundred seventeen".