79394266418 has 8 divisors (see below), whose sum is σ = 119108431260. Its totient is φ = 39691456000.

The previous prime is 79394266387. The next prime is 79394266451. The reversal of 79394266418 is 81466249397.

It can be written as a sum of positive squares in 2 ways, for example, as 73266038329 + 6128228089 = 270677^2 + 78283^2 .

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

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, 2821103 + ... + 2849106.

Almost surely, 2^79394266418 is an apocalyptic number.

79394266418 is a deficient number, since it is larger than the sum of its proper divisors (39714164842).

79394266418 is a wasteful number, since it uses less digits than its factorization.

79394266418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677212.

The product of its digits is 15676416, while the sum is 59.

The spelling of 79394266418 in words is "seventy-nine billion, three hundred ninety-four million, two hundred sixty-six thousand, four hundred eighteen".