79986233 has 2 divisors, whose sum is σ = 79986234. Its totient is φ = 79986232.

The previous prime is 79986229. The next prime is 79986289. The reversal of 79986233 is 33268997.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79512889 + 473344 = 8917^2 + 688^2 .

It is a cyclic number.

It is not a de Polignac number, because 79986233 - 2² = 79986229 is a prime.

It is not a weakly prime, because it can be changed into another prime (79986133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39993116 + 39993117.

It is an arithmetic number, because the mean of its divisors is an integer number (39993117).

Almost surely, 2^79986233 is an apocalyptic number.

It is an amenable number.

79986233 is a deficient number, since it is larger than the sum of its proper divisors (1).

79986233 is an equidigital number, since it uses as much as digits as its factorization.

79986233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 47.

The square root of 79986233 is about 8943.5022781906. The cubic root of 79986233 is about 430.8622198364.

The spelling of 79986233 in words is "seventy-nine million, nine hundred eighty-six thousand, two hundred thirty-three".