79286213 has 2 divisors, whose sum is σ = 79286214. Its totient is φ = 79286212.

The previous prime is 79286191. The next prime is 79286219. The reversal of 79286213 is 31268297.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75030244 + 4255969 = 8662^2 + 2063^2 .

It is a cyclic number.

It is not a de Polignac number, because 79286213 - 2¹⁰ = 79285189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79286219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39643106 + 39643107.

It is an arithmetic number, because the mean of its divisors is an integer number (39643107).

Almost surely, 2^79286213 is an apocalyptic number.

It is an amenable number.

79286213 is a deficient number, since it is larger than the sum of its proper divisors (1).

79286213 is an equidigital number, since it uses as much as digits as its factorization.

79286213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 79286213 is about 8904.2805998014. The cubic root of 79286213 is about 429.6016014289.

It can be divided in two parts, 7928 and 6213, that added together give a palindrome (14141).

The spelling of 79286213 in words is "seventy-nine million, two hundred eighty-six thousand, two hundred thirteen".