86912299 has 2 divisors, whose sum is σ = 86912300. Its totient is φ = 86912298.

The previous prime is 86912281. The next prime is 86912303. The reversal of 86912299 is 99221968.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86912299 - 2⁹ = 86911787 is a prime.

It is not a weakly prime, because it can be changed into another prime (86912219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43456149 + 43456150.

It is an arithmetic number, because the mean of its divisors is an integer number (43456150).

Almost surely, 2^86912299 is an apocalyptic number.

86912299 is a deficient number, since it is larger than the sum of its proper divisors (1).

86912299 is an equidigital number, since it uses as much as digits as its factorization.

86912299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 46.

The square root of 86912299 is about 9322.6766006335. The cubic root of 86912299 is about 442.9558204222.

It can be divided in two parts, 869122 and 99, that added together give a triangular number (869221 = T₁₃₁₈).

The spelling of 86912299 in words is "eighty-six million, nine hundred twelve thousand, two hundred ninety-nine".