86817339 has 64 divisors (see below), whose sum is σ = 153031680. Its totient is φ = 48218976.

The previous prime is 86817323. The next prime is 86817343. The reversal of 86817339 is 93371868.

It is a happy number.

It is not a de Polignac number, because 86817339 - 2⁴ = 86817323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86817294 and 86817303.

It is not an unprimeable number, because it can be changed into a prime (86817349) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 811324 + ... + 811430.

It is an arithmetic number, because the mean of its divisors is an integer number (2391120).

Almost surely, 2^86817339 is an apocalyptic number.

86817339 is a deficient number, since it is larger than the sum of its proper divisors (66214341).

86817339 is an equidigital number, since it uses as much as digits as its factorization.

86817339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 170 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 86817339 is about 9317.5822507773. The cubic root of 86817339 is about 442.7944377648.

The spelling of 86817339 in words is "eighty-six million, eight hundred seventeen thousand, three hundred thirty-nine".