79929144611 has 2 divisors, whose sum is σ = 79929144612. Its totient is φ = 79929144610.

The previous prime is 79929144599. The next prime is 79929144641. The reversal of 79929144611 is 11644192997.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79929144611 - 2³⁴ = 62749275427 is a prime.

It is not a weakly prime, because it can be changed into another prime (79929144641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39964572305 + 39964572306.

It is an arithmetic number, because the mean of its divisors is an integer number (39964572306).

Almost surely, 2^79929144611 is an apocalyptic number.

79929144611 is a deficient number, since it is larger than the sum of its proper divisors (1).

79929144611 is an equidigital number, since it uses as much as digits as its factorization.

79929144611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 53.

The spelling of 79929144611 in words is "seventy-nine billion, nine hundred twenty-nine million, one hundred forty-four thousand, six hundred eleven".