79135079 has 2 divisors, whose sum is σ = 79135080. Its totient is φ = 79135078.

The previous prime is 79135061. The next prime is 79135081. The reversal of 79135079 is 97053197.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79135079 is a prime.

Together with 79135081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79135039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39567539 + 39567540.

It is an arithmetic number, because the mean of its divisors is an integer number (39567540).

Almost surely, 2^79135079 is an apocalyptic number.

79135079 is a deficient number, since it is larger than the sum of its proper divisors (1).

79135079 is an equidigital number, since it uses as much as digits as its factorization.

79135079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59535, while the sum is 41.

The square root of 79135079 is about 8895.7899593010. The cubic root of 79135079 is about 429.3284614372.

The spelling of 79135079 in words is "seventy-nine million, one hundred thirty-five thousand, seventy-nine".