79994371 has 2 divisors, whose sum is σ = 79994372. Its totient is φ = 79994370.

The previous prime is 79994347. The next prime is 79994399. The reversal of 79994371 is 17349997.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79994371 - 2¹¹ = 79992323 is a prime.

It is not a weakly prime, because it can be changed into another prime (79994071) by changing a digit.

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 as a sum of consecutive naturals, namely, 39997185 + 39997186.

It is an arithmetic number, because the mean of its divisors is an integer number (39997186).

Almost surely, 2^79994371 is an apocalyptic number.

79994371 is a deficient number, since it is larger than the sum of its proper divisors (1).

79994371 is an equidigital number, since it uses as much as digits as its factorization.

79994371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 49.

The square root of 79994371 is about 8943.9572337976. The cubic root of 79994371 is about 430.8768316753.

The spelling of 79994371 in words is "seventy-nine million, nine hundred ninety-four thousand, three hundred seventy-one".