86318699 has 2 divisors, whose sum is σ = 86318700. Its totient is φ = 86318698.

The previous prime is 86318693. The next prime is 86318723. The reversal of 86318699 is 99681368.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86318699 is a prime.

It is not a weakly prime, because it can be changed into another prime (86318693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43159349 + 43159350.

It is an arithmetic number, because the mean of its divisors is an integer number (43159350).

Almost surely, 2^86318699 is an apocalyptic number.

86318699 is a deficient number, since it is larger than the sum of its proper divisors (1).

86318699 is an equidigital number, since it uses as much as digits as its factorization.

86318699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 50.

The square root of 86318699 is about 9290.7857041264. The cubic root of 86318699 is about 441.9450717626.

The spelling of 86318699 in words is "eighty-six million, three hundred eighteen thousand, six hundred ninety-nine".