79226634845 has 12 divisors (see below), whose sum is σ = 100993400724. Its totient is φ = 59652994560.

The previous prime is 79226634737. The next prime is 79226634857. The reversal of 79226634845 is 54843662297.

It can be written as a sum of positive squares in 6 ways, for example, as 23934874681 + 55291760164 = 154709^2 + 235142^2 .

It is not a de Polignac number, because 79226634845 - 2¹⁰ = 79226633821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27412616 + ... + 27415505.

It is an arithmetic number, because the mean of its divisors is an integer number (8416116727).

Almost surely, 2^79226634845 is an apocalyptic number.

It is an amenable number.

79226634845 is a deficient number, since it is larger than the sum of its proper divisors (21766765879).

79226634845 is a wasteful number, since it uses less digits than its factorization.

79226634845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54828160 (or 54828143 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 56.

The spelling of 79226634845 in words is "seventy-nine billion, two hundred twenty-six million, six hundred thirty-four thousand, eight hundred forty-five".