86801215 has 16 divisors (see below), whose sum is σ = 110131200. Its totient is φ = 65493792.

The previous prime is 86801207. The next prime is 86801237. The reversal of 86801215 is 51210868.

It is a cyclic number.

It is not a de Polignac number, because 86801215 - 2³ = 86801207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20794 + ... + 24616.

It is an arithmetic number, because the mean of its divisors is an integer number (6883200).

Almost surely, 2^86801215 is an apocalyptic number.

86801215 is a deficient number, since it is larger than the sum of its proper divisors (23329985).

86801215 is a wasteful number, since it uses less digits than its factorization.

86801215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 86801215 is about 9316.7169646824. The cubic root of 86801215 is about 442.7670236574.

The spelling of 86801215 in words is "eighty-six million, eight hundred one thousand, two hundred fifteen".