79999394 has 8 divisors (see below), whose sum is σ = 120327168. Its totient is φ = 39890340.

The previous prime is 79999363. The next prime is 79999411. The reversal of 79999394 is 49399997.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53762 + ... + 55229.

It is an arithmetic number, because the mean of its divisors is an integer number (15040896).

Almost surely, 2^79999394 is an apocalyptic number.

79999394 is a deficient number, since it is larger than the sum of its proper divisors (40327774).

79999394 is a wasteful number, since it uses less digits than its factorization.

79999394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109360.

The product of its digits is 4960116, while the sum is 59.

The square root of 79999394 is about 8944.2380335051. The cubic root of 79999394 is about 430.8858500141.

The spelling of 79999394 in words is "seventy-nine million, nine hundred ninety-nine thousand, three hundred ninety-four".