79345799 has 4 divisors (see below), whose sum is σ = 85449336. Its totient is φ = 73242264.

The previous prime is 79345781. The next prime is 79345801. The reversal of 79345799 is 99754397.

It is a happy number.

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 79345799 - 2⁸ = 79345543 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 79345799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79341799) 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, 3051749 + ... + 3051774.

It is an arithmetic number, because the mean of its divisors is an integer number (21362334).

Almost surely, 2^79345799 is an apocalyptic number.

79345799 is a deficient number, since it is larger than the sum of its proper divisors (6103537).

79345799 is a wasteful number, since it uses less digits than its factorization.

79345799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6103536.

The product of its digits is 2143260, while the sum is 53.

The square root of 79345799 is about 8907.6258902134. The cubic root of 79345799 is about 429.7091940359.

The spelling of 79345799 in words is "seventy-nine million, three hundred forty-five thousand, seven hundred ninety-nine".