79227859 has 2 divisors, whose sum is σ = 79227860. Its totient is φ = 79227858.

The previous prime is 79227833. The next prime is 79227877. The reversal of 79227859 is 95872297.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79227859 - 2⁹ = 79227347 is a prime.

It is not a weakly prime, because it can be changed into another prime (79227809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39613929 + 39613930.

It is an arithmetic number, because the mean of its divisors is an integer number (39613930).

Almost surely, 2^79227859 is an apocalyptic number.

79227859 is a deficient number, since it is larger than the sum of its proper divisors (1).

79227859 is an equidigital number, since it uses as much as digits as its factorization.

79227859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 49.

The square root of 79227859 is about 8901.0032580603. The cubic root of 79227859 is about 429.4961811479.

The spelling of 79227859 in words is "seventy-nine million, two hundred twenty-seven thousand, eight hundred fifty-nine".