86359999 has 12 divisors (see below), whose sum is σ = 98201880. Its totient is φ = 75798800.

The previous prime is 86359991. The next prime is 86360003. The reversal of 86359999 is 99995368.

It is not a de Polignac number, because 86359999 - 2³ = 86359991 is a prime.

It is a Duffinian number.

86359999 is a modest number, since divided by 9999 gives 8635 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86359991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8797 + ... + 15814.

It is an arithmetic number, because the mean of its divisors is an integer number (8183490).

Almost surely, 2^86359999 is an apocalyptic number.

86359999 is a deficient number, since it is larger than the sum of its proper divisors (11841881).

86359999 is a wasteful number, since it uses less digits than its factorization.

86359999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24662 (or 24651 counting only the distinct ones).

The product of its digits is 4723920, while the sum is 58.

The square root of 86359999 is about 9293.0080705873. The cubic root of 86359999 is about 442.0155447943.

The spelling of 86359999 in words is "eighty-six million, three hundred fifty-nine thousand, nine hundred ninety-nine".