79853818 has 8 divisors (see below), whose sum is σ = 130669920. Its totient is φ = 36297180.

The previous prime is 79853797. The next prime is 79853831. The reversal of 79853818 is 81835897.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1814838 + ... + 1814881.

It is an arithmetic number, because the mean of its divisors is an integer number (16333740).

Almost surely, 2^79853818 is an apocalyptic number.

79853818 is a deficient number, since it is larger than the sum of its proper divisors (50816102).

79853818 is a wasteful number, since it uses less digits than its factorization.

79853818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3629732.

The product of its digits is 483840, while the sum is 49.

The square root of 79853818 is about 8936.0963513158. The cubic root of 79853818 is about 430.6243283448.

The spelling of 79853818 in words is "seventy-nine million, eight hundred fifty-three thousand, eight hundred eighteen".