86349899 has 2 divisors, whose sum is σ = 86349900. Its totient is φ = 86349898.

The previous prime is 86349871. The next prime is 86349917. The reversal of 86349899 is 99894368.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86349899 - 2⁸ = 86349643 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86349839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43174949 + 43174950.

It is an arithmetic number, because the mean of its divisors is an integer number (43174950).

Almost surely, 2^86349899 is an apocalyptic number.

86349899 is a deficient number, since it is larger than the sum of its proper divisors (1).

86349899 is an equidigital number, since it uses as much as digits as its factorization.

86349899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 56.

The square root of 86349899 is about 9292.4646353914. The cubic root of 86349899 is about 441.9983125452.

The spelling of 86349899 in words is "eighty-six million, three hundred forty-nine thousand, eight hundred ninety-nine".