79223790529 has 16 divisors (see below), whose sum is σ = 85552432000. Its totient is φ = 72928895616.

The previous prime is 79223790523. The next prime is 79223790533. The reversal of 79223790529 is 92509732297.

It is a cyclic number.

It is not a de Polignac number, because 79223790529 - 2²¹ = 79221693377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79223790529.

It is not an unprimeable number, because it can be changed into a prime (79223790523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9507637 + ... + 9515965.

It is an arithmetic number, because the mean of its divisors is an integer number (5347027000).

Almost surely, 2^79223790529 is an apocalyptic number.

It is an amenable number.

79223790529 is a deficient number, since it is larger than the sum of its proper divisors (6328641471).

79223790529 is a wasteful number, since it uses less digits than its factorization.

79223790529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10264.

The product of its (nonzero) digits is 4286520, while the sum is 55.

The spelling of 79223790529 in words is "seventy-nine billion, two hundred twenty-three million, seven hundred ninety thousand, five hundred twenty-nine".