76979699 has 2 divisors, whose sum is σ = 76979700. Its totient is φ = 76979698.

The previous prime is 76979687. The next prime is 76979701. The reversal of 76979699 is 99697967.

It is a strong prime.

It is an emirp because it is prime and its reverse (99697967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76979699 - 2¹² = 76975603 is a prime.

Together with 76979701, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76979629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38489849 + 38489850.

It is an arithmetic number, because the mean of its divisors is an integer number (38489850).

Almost surely, 2^76979699 is an apocalyptic number.

76979699 is a deficient number, since it is larger than the sum of its proper divisors (1).

76979699 is an equidigital number, since it uses as much as digits as its factorization.

76979699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11573604, while the sum is 62.

The square root of 76979699 is about 8773.8075543062. The cubic root of 76979699 is about 425.3946949274.

The spelling of 76979699 in words is "seventy-six million, nine hundred seventy-nine thousand, six hundred ninety-nine".