79749143708226 has 32 divisors (see below), whose sum is σ = 164649996435456. Its totient is φ = 25724498514000.

The previous prime is 79749143708219. The next prime is 79749143708249. The reversal of 79749143708226 is 62280734194797.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3940530 + ... + 13229741.

It is an arithmetic number, because the mean of its divisors is an integer number (5145312388608).

Almost surely, 2^{79749143708226} is an apocalyptic number.

79749143708226 is an abundant number, since it is smaller than the sum of its proper divisors (84900852727230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79749143708226 is a wasteful number, since it uses less digits than its factorization.

79749143708226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17195278.

The product of its (nonzero) digits is 256048128, while the sum is 69.

The spelling of 79749143708226 in words is "seventy-nine trillion, seven hundred forty-nine billion, one hundred forty-three million, seven hundred eight thousand, two hundred twenty-six".