86245499 has 2 divisors, whose sum is σ = 86245500. Its totient is φ = 86245498.

The previous prime is 86245463. The next prime is 86245519. The reversal of 86245499 is 99454268.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86245499 - 2¹² = 86241403 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86205499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43122749 + 43122750.

It is an arithmetic number, because the mean of its divisors is an integer number (43122750).

Almost surely, 2^86245499 is an apocalyptic number.

86245499 is a deficient number, since it is larger than the sum of its proper divisors (1).

86245499 is an equidigital number, since it uses as much as digits as its factorization.

86245499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 47.

The square root of 86245499 is about 9286.8454816477. The cubic root of 86245499 is about 441.8201103173.

The spelling of 86245499 in words is "eighty-six million, two hundred forty-five thousand, four hundred ninety-nine".