79223699 has 4 divisors (see below), whose sum is σ = 79386864. Its totient is φ = 79060536.

The previous prime is 79223687. The next prime is 79223701. The reversal of 79223699 is 99632297.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79223699 - 2¹² = 79219603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79223659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80852 + ... + 81825.

It is an arithmetic number, because the mean of its divisors is an integer number (19846716).

Almost surely, 2^79223699 is an apocalyptic number.

79223699 is a deficient number, since it is larger than the sum of its proper divisors (163165).

79223699 is a wasteful number, since it uses less digits than its factorization.

79223699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163164.

The product of its digits is 367416, while the sum is 47.

The square root of 79223699 is about 8900.7695734695. The cubic root of 79223699 is about 429.4886638621.

The spelling of 79223699 in words is "seventy-nine million, two hundred twenty-three thousand, six hundred ninety-nine".