79494671 has 2 divisors, whose sum is σ = 79494672. Its totient is φ = 79494670.

The previous prime is 79494637. The next prime is 79494691. The reversal of 79494671 is 17649497.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79494671 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79494631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39747335 + 39747336.

It is an arithmetic number, because the mean of its divisors is an integer number (39747336).

Almost surely, 2^79494671 is an apocalyptic number.

79494671 is a deficient number, since it is larger than the sum of its proper divisors (1).

79494671 is an equidigital number, since it uses as much as digits as its factorization.

79494671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 47.

The square root of 79494671 is about 8915.9784095746. The cubic root of 79494671 is about 429.9777724223.

The spelling of 79494671 in words is "seventy-nine million, four hundred ninety-four thousand, six hundred seventy-one".