79799158 has 8 divisors (see below), whose sum is σ = 122933952. Its totient is φ = 38821176.

The previous prime is 79799149. The next prime is 79799171. The reversal of 79799158 is 85199797.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 79799099 and 79799108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539110 + ... + 539257.

It is an arithmetic number, because the mean of its divisors is an integer number (15366744).

Almost surely, 2^79799158 is an apocalyptic number.

79799158 is a deficient number, since it is larger than the sum of its proper divisors (43134794).

79799158 is a wasteful number, since it uses less digits than its factorization.

79799158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078406.

The product of its digits is 1428840, while the sum is 55.

The square root of 79799158 is about 8933.0374453486. The cubic root of 79799158 is about 430.5260516896.

The spelling of 79799158 in words is "seventy-nine million, seven hundred ninety-nine thousand, one hundred fifty-eight".