79272827 has 2 divisors, whose sum is σ = 79272828. Its totient is φ = 79272826.

The previous prime is 79272821. The next prime is 79272829. The reversal of 79272827 is 72827297.

It is a strong prime.

It is an emirp because it is prime and its reverse (72827297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79272827 - 2⁴ = 79272811 is a prime.

It is a super-2 number, since 2×79272827² = 12568362201143858, which contains 22 as substring.

Together with 79272829, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79272821) 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, 39636413 + 39636414.

It is an arithmetic number, because the mean of its divisors is an integer number (39636414).

Almost surely, 2^79272827 is an apocalyptic number.

79272827 is a deficient number, since it is larger than the sum of its proper divisors (1).

79272827 is an equidigital number, since it uses as much as digits as its factorization.

79272827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 44.

The square root of 79272827 is about 8903.5289071244. The cubic root of 79272827 is about 429.5774233258.

The spelling of 79272827 in words is "seventy-nine million, two hundred seventy-two thousand, eight hundred twenty-seven".