79800499 has 4 divisors (see below), whose sum is σ = 84494664. Its totient is φ = 75106336.

The previous prime is 79800491. The next prime is 79800503. The reversal of 79800499 is 99400897.

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 79800499 - 2³ = 79800491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79800491) 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, 2347057 + ... + 2347090.

It is an arithmetic number, because the mean of its divisors is an integer number (21123666).

Almost surely, 2^79800499 is an apocalyptic number.

79800499 is a deficient number, since it is larger than the sum of its proper divisors (4694165).

79800499 is a wasteful number, since it uses less digits than its factorization.

79800499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4694164.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 79800499 is about 8933.1125034895. The cubic root of 79800499 is about 430.5284632949.

The spelling of 79800499 in words is "seventy-nine million, eight hundred thousand, four hundred ninety-nine".