79018609018 has 8 divisors (see below), whose sum is σ = 118809453780. Its totient is φ = 39415457760.

The previous prime is 79018608979. The next prime is 79018609049. The reversal of 79018609018 is 81090681097.

It can be written as a sum of positive squares in 2 ways, for example, as 61012458049 + 18006150969 = 247007^2 + 134187^2 .

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

It is a super-2 number, since 2×79018609018² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46922323 + ... + 46924006.

Almost surely, 2^79018609018 is an apocalyptic number.

79018609018 is a deficient number, since it is larger than the sum of its proper divisors (39790844762).

79018609018 is a wasteful number, since it uses less digits than its factorization.

79018609018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93846752.

The product of its (nonzero) digits is 217728, while the sum is 49.

The spelling of 79018609018 in words is "seventy-nine billion, eighteen million, six hundred nine thousand, eighteen".