79994213 has 8 divisors (see below), whose sum is σ = 86720256. Its totient is φ = 73350000.

The previous prime is 79994177. The next prime is 79994221. The reversal of 79994213 is 31249997.

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

It is a cyclic number.

It is not a de Polignac number, because 79994213 - 2⁶ = 79994149 is a prime.

It is a super-2 number, since 2×79994213² = 12798148226978738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79994263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18413 + ... + 22338.

It is an arithmetic number, because the mean of its divisors is an integer number (10840032).

Almost surely, 2^79994213 is an apocalyptic number.

It is an amenable number.

79994213 is a deficient number, since it is larger than the sum of its proper divisors (6726043).

79994213 is a wasteful number, since it uses less digits than its factorization.

79994213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40915.

The product of its digits is 122472, while the sum is 44.

The square root of 79994213 is about 8943.9484010140. The cubic root of 79994213 is about 430.8765479946.

The spelling of 79994213 in words is "seventy-nine million, nine hundred ninety-four thousand, two hundred thirteen".