79318618 has 8 divisors (see below), whose sum is σ = 120411648. Its totient is φ = 39181404.

The previous prime is 79318601. The next prime is 79318619. The reversal of 79318618 is 81681397.

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

It is a super-2 number, since 2×79318618² = 12582886322859848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79318619) 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, 238746 + ... + 239077.

It is an arithmetic number, because the mean of its divisors is an integer number (15051456).

Almost surely, 2^79318618 is an apocalyptic number.

79318618 is a deficient number, since it is larger than the sum of its proper divisors (41093030).

79318618 is a wasteful number, since it uses less digits than its factorization.

79318618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477908.

The product of its digits is 72576, while the sum is 43.

The square root of 79318618 is about 8906.1000443516. The cubic root of 79318618 is about 429.6601208243.

The spelling of 79318618 in words is "seventy-nine million, three hundred eighteen thousand, six hundred eighteen".