82696979 has 2 divisors, whose sum is σ = 82696980. Its totient is φ = 82696978.

The previous prime is 82696969. The next prime is 82697011. The reversal of 82696979 is 97969628.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82696979 - 2⁸ = 82696723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82696969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41348489 + 41348490.

It is an arithmetic number, because the mean of its divisors is an integer number (41348490).

Almost surely, 2^82696979 is an apocalyptic number.

82696979 is a deficient number, since it is larger than the sum of its proper divisors (1).

82696979 is an equidigital number, since it uses as much as digits as its factorization.

82696979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 56.

The square root of 82696979 is about 9093.7879346288. The cubic root of 82696979 is about 435.6755768430.

The spelling of 82696979 in words is "eighty-two million, six hundred ninety-six thousand, nine hundred seventy-nine".