86329499 has 2 divisors, whose sum is σ = 86329500. Its totient is φ = 86329498.

The previous prime is 86329493. The next prime is 86329531. The reversal of 86329499 is 99492368.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86329499 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86329493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43164749 + 43164750.

It is an arithmetic number, because the mean of its divisors is an integer number (43164750).

Almost surely, 2^86329499 is an apocalyptic number.

86329499 is a deficient number, since it is larger than the sum of its proper divisors (1).

86329499 is an equidigital number, since it uses as much as digits as its factorization.

86329499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 50.

The square root of 86329499 is about 9291.3669069734. The cubic root of 86329499 is about 441.9635027159.

The spelling of 86329499 in words is "eighty-six million, three hundred twenty-nine thousand, four hundred ninety-nine".