79434186398 has 8 divisors (see below), whose sum is σ = 136172890992. Its totient is φ = 34043222736.

The previous prime is 79434186389. The next prime is 79434186427. The reversal of 79434186398 is 89368143497.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 79434186398.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2836935215 + ... + 2836935242.

It is an arithmetic number, because the mean of its divisors is an integer number (17021611374).

Almost surely, 2^79434186398 is an apocalyptic number.

79434186398 is a deficient number, since it is larger than the sum of its proper divisors (56738704594).

79434186398 is a wasteful number, since it uses less digits than its factorization.

79434186398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5673870466.

The product of its digits is 31352832, while the sum is 62.

The spelling of 79434186398 in words is "seventy-nine billion, four hundred thirty-four million, one hundred eighty-six thousand, three hundred ninety-eight".