79430227 has 2 divisors, whose sum is σ = 79430228. Its totient is φ = 79430226.

The previous prime is 79430213. The next prime is 79430233. The reversal of 79430227 is 72203497.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79430227 - 2¹¹ = 79428179 is a prime.

It is a super-2 number, since 2×79430227² = 12618321922543058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79430192 and 79430201.

It is not a weakly prime, because it can be changed into another prime (79430207) 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, 39715113 + 39715114.

It is an arithmetic number, because the mean of its divisors is an integer number (39715114).

Almost surely, 2^79430227 is an apocalyptic number.

79430227 is a deficient number, since it is larger than the sum of its proper divisors (1).

79430227 is an equidigital number, since it uses as much as digits as its factorization.

79430227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 79430227 is about 8912.3637156481. The cubic root of 79430227 is about 429.8615508847.

The spelling of 79430227 in words is "seventy-nine million, four hundred thirty thousand, two hundred twenty-seven".