79314847 has 2 divisors, whose sum is σ = 79314848. Its totient is φ = 79314846.

The previous prime is 79314839. The next prime is 79314857. The reversal of 79314847 is 74841397.

It is a weak prime.

It is an emirp because it is prime and its reverse (74841397) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79314847 - 2³ = 79314839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79314817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39657423 + 39657424.

It is an arithmetic number, because the mean of its divisors is an integer number (39657424).

Almost surely, 2^79314847 is an apocalyptic number.

79314847 is a deficient number, since it is larger than the sum of its proper divisors (1).

79314847 is an equidigital number, since it uses as much as digits as its factorization.

79314847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 43.

The square root of 79314847 is about 8905.8883330076. Note that the first 3 decimals coincide. The cubic root of 79314847 is about 429.6533116874.

The spelling of 79314847 in words is "seventy-nine million, three hundred fourteen thousand, eight hundred forty-seven".