86342899 has 2 divisors, whose sum is σ = 86342900. Its totient is φ = 86342898.

The previous prime is 86342891. The next prime is 86342909. The reversal of 86342899 is 99824368.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86342899 - 2³ = 86342891 is a prime.

It is not a weakly prime, because it can be changed into another prime (86342891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43171449 + 43171450.

It is an arithmetic number, because the mean of its divisors is an integer number (43171450).

Almost surely, 2^86342899 is an apocalyptic number.

86342899 is a deficient number, since it is larger than the sum of its proper divisors (1).

86342899 is an equidigital number, since it uses as much as digits as its factorization.

86342899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 49.

The square root of 86342899 is about 9292.0879784901. The cubic root of 86342899 is about 441.9863686138.

The spelling of 86342899 in words is "eighty-six million, three hundred forty-two thousand, eight hundred ninety-nine".