79228243 has 2 divisors, whose sum is σ = 79228244. Its totient is φ = 79228242.

The previous prime is 79228223. The next prime is 79228249. The reversal of 79228243 is 34282297.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79228243 is a prime.

It is a super-2 number, since 2×79228243² = 12554228977734098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79228249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39614121 + 39614122.

It is an arithmetic number, because the mean of its divisors is an integer number (39614122).

Almost surely, 2^79228243 is an apocalyptic number.

79228243 is a deficient number, since it is larger than the sum of its proper divisors (1).

79228243 is an equidigital number, since it uses as much as digits as its factorization.

79228243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 79228243 is about 8901.0248286363. The cubic root of 79228243 is about 429.4968750380.

The spelling of 79228243 in words is "seventy-nine million, two hundred twenty-eight thousand, two hundred forty-three".