79088158991 has 2 divisors, whose sum is σ = 79088158992. Its totient is φ = 79088158990.

The previous prime is 79088158987. The next prime is 79088158993. The reversal of 79088158991 is 19985188097.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79088158991 - 2² = 79088158987 is a prime.

It is a Sophie Germain prime.

Together with 79088158993, 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 (79088158993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39544079495 + 39544079496.

It is an arithmetic number, because the mean of its divisors is an integer number (39544079496).

Almost surely, 2^79088158991 is an apocalyptic number.

79088158991 is a deficient number, since it is larger than the sum of its proper divisors (1).

79088158991 is an equidigital number, since it uses as much as digits as its factorization.

79088158991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13063680, while the sum is 65.

The spelling of 79088158991 in words is "seventy-nine billion, eighty-eight million, one hundred fifty-eight thousand, nine hundred ninety-one".