86459691 has 16 divisors (see below), whose sum is σ = 121003776. Its totient is φ = 54807456.

The previous prime is 86459687. The next prime is 86459707. The reversal of 86459691 is 19695468.

It is not a de Polignac number, because 86459691 - 2² = 86459687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86459691.

It is not an unprimeable number, because it can be changed into a prime (86459641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8316 + ... + 15558.

It is an arithmetic number, because the mean of its divisors is an integer number (7562736).

Almost surely, 2^86459691 is an apocalyptic number.

86459691 is a deficient number, since it is larger than the sum of its proper divisors (34544085).

86459691 is a wasteful number, since it uses less digits than its factorization.

86459691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7442.

The product of its digits is 466560, while the sum is 48.

The square root of 86459691 is about 9298.3703410867. The cubic root of 86459691 is about 442.1855635879.

It can be divided in two parts, 8645 and 9691, that added together give a triangular number (18336 = T₁₉₁).

The spelling of 86459691 in words is "eighty-six million, four hundred fifty-nine thousand, six hundred ninety-one".