79667311 has 2 divisors, whose sum is σ = 79667312. Its totient is φ = 79667310.

The previous prime is 79667297. The next prime is 79667359. The reversal of 79667311 is 11376697.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79667311 - 2¹⁵ = 79634543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79667381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39833655 + 39833656.

It is an arithmetic number, because the mean of its divisors is an integer number (39833656).

Almost surely, 2^79667311 is an apocalyptic number.

79667311 is a deficient number, since it is larger than the sum of its proper divisors (1).

79667311 is an equidigital number, since it uses as much as digits as its factorization.

79667311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 40.

The square root of 79667311 is about 8925.6546538615. The cubic root of 79667311 is about 430.2888108434.

The spelling of 79667311 in words is "seventy-nine million, six hundred sixty-seven thousand, three hundred eleven".