86386817 has 8 divisors (see below), whose sum is σ = 94735872. Its totient is φ = 78120400.

The previous prime is 86386777. The next prime is 86386819. The reversal of 86386817 is 71868368.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86386817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86386819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18458 + ... + 22659.

It is an arithmetic number, because the mean of its divisors is an integer number (11841984).

Almost surely, 2^86386817 is an apocalyptic number.

It is an amenable number.

86386817 is a deficient number, since it is larger than the sum of its proper divisors (8349055).

86386817 is a wasteful number, since it uses less digits than its factorization.

86386817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41319.

The product of its digits is 387072, while the sum is 47.

The square root of 86386817 is about 9294.4508713533. The cubic root of 86386817 is about 442.0612941620.

The spelling of 86386817 in words is "eighty-six million, three hundred eighty-six thousand, eight hundred seventeen".