79986354 has 32 divisors (see below), whose sum is σ = 184173696. Its totient is φ = 22684800.

The previous prime is 79986349. The next prime is 79986383. The reversal of 79986354 is 45368997.

It is a junction number, because it is equal to n+sod(n) for n = 79986297 and 79986306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1197 + ... + 12704.

It is an arithmetic number, because the mean of its divisors is an integer number (5755428).

Almost surely, 2^79986354 is an apocalyptic number.

79986354 is an abundant number, since it is smaller than the sum of its proper divisors (104187342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79986354 is a wasteful number, since it uses less digits than its factorization.

79986354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14050.

The product of its digits is 1632960, while the sum is 51.

The square root of 79986354 is about 8943.5090428757. The cubic root of 79986354 is about 430.8624371001.

It can be divided in two parts, 799 and 86354, that added together give a triangular number (87153 = T₄₁₇).

The spelling of 79986354 in words is "seventy-nine million, nine hundred eighty-six thousand, three hundred fifty-four".