79274813227 has 2 divisors, whose sum is σ = 79274813228. Its totient is φ = 79274813226.

The previous prime is 79274813131. The next prime is 79274813281. The reversal of 79274813227 is 72231847297.

It is a strong prime.

It is an emirp because it is prime and its reverse (72231847297) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79274813227 is a prime.

It is not a weakly prime, because it can be changed into another prime (79272813227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39637406613 + 39637406614.

It is an arithmetic number, because the mean of its divisors is an integer number (39637406614).

Almost surely, 2^79274813227 is an apocalyptic number.

79274813227 is a deficient number, since it is larger than the sum of its proper divisors (1).

79274813227 is an equidigital number, since it uses as much as digits as its factorization.

79274813227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2370816, while the sum is 52.

The spelling of 79274813227 in words is "seventy-nine billion, two hundred seventy-four million, eight hundred thirteen thousand, two hundred twenty-seven".