79241791 has 2 divisors, whose sum is σ = 79241792. Its totient is φ = 79241790.

The previous prime is 79241783. The next prime is 79241803. The reversal of 79241791 is 19714297.

It is a weak prime.

It is an emirp because it is prime and its reverse (19714297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79241791 - 2³ = 79241783 is a prime.

It is a super-2 number, since 2×79241791² = 12558522881775362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79241291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39620895 + 39620896.

It is an arithmetic number, because the mean of its divisors is an integer number (39620896).

Almost surely, 2^79241791 is an apocalyptic number.

79241791 is a deficient number, since it is larger than the sum of its proper divisors (1).

79241791 is an equidigital number, since it uses as much as digits as its factorization.

79241791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 40.

The square root of 79241791 is about 8901.7858320676. The cubic root of 79241791 is about 429.5213549111.

The spelling of 79241791 in words is "seventy-nine million, two hundred forty-one thousand, seven hundred ninety-one".