79699994 has 8 divisors (see below), whose sum is σ = 130418208. Its totient is φ = 36227260.

The previous prime is 79699981. The next prime is 79699999. The reversal of 79699994 is 49999697.

79699994 is nontrivially palindromic in base 14.

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

It is not an unprimeable number, because it can be changed into a prime (79699999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1811342 + ... + 1811385.

It is an arithmetic number, because the mean of its divisors is an integer number (16302276).

Almost surely, 2^79699994 is an apocalyptic number.

79699994 is a deficient number, since it is larger than the sum of its proper divisors (50718214).

79699994 is a wasteful number, since it uses less digits than its factorization.

79699994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622740.

The product of its digits is 9920232, while the sum is 62.

The square root of 79699994 is about 8927.4853122254. The cubic root of 79699994 is about 430.3476438677.

The spelling of 79699994 in words is "seventy-nine million, six hundred ninety-nine thousand, nine hundred ninety-four".