86681265 has 32 divisors (see below), whose sum is σ = 151721856. Its totient is φ = 41909760.

The previous prime is 86681263. The next prime is 86681267. The reversal of 86681265 is 56218668.

It is an interprime number because it is at equal distance from previous prime (86681263) and next prime (86681267).

It is not a de Polignac number, because 86681265 - 2¹ = 86681263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86681263) 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 31 ways as a sum of consecutive naturals, for example, 100717 + ... + 101573.

It is an arithmetic number, because the mean of its divisors is an integer number (4741308).

Almost surely, 2^86681265 is an apocalyptic number.

It is an amenable number.

86681265 is a deficient number, since it is larger than the sum of its proper divisors (65040591).

86681265 is a wasteful number, since it uses less digits than its factorization.

86681265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489.

The product of its digits is 138240, while the sum is 42.

The square root of 86681265 is about 9310.2773857711. The cubic root of 86681265 is about 442.5629774070.

The spelling of 86681265 in words is "eighty-six million, six hundred eighty-one thousand, two hundred sixty-five".