79676081 has 2 divisors, whose sum is σ = 79676082. Its totient is φ = 79676080.

The previous prime is 79676029. The next prime is 79676083. The reversal of 79676081 is 18067697.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75411856 + 4264225 = 8684^2 + 2065^2 .

It is a cyclic number.

It is not a de Polignac number, because 79676081 - 2¹⁸ = 79413937 is a prime.

It is a super-2 number, since 2×79676081² = 12696555767037122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 79676083, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (79676083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39838040 + 39838041.

It is an arithmetic number, because the mean of its divisors is an integer number (39838041).

Almost surely, 2^79676081 is an apocalyptic number.

It is an amenable number.

79676081 is a deficient number, since it is larger than the sum of its proper divisors (1).

79676081 is an equidigital number, since it uses as much as digits as its factorization.

79676081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 79676081 is about 8926.1459208328. The cubic root of 79676081 is about 430.3045993952.

The spelling of 79676081 in words is "seventy-nine million, six hundred seventy-six thousand, eighty-one".