86708511 has 24 divisors (see below), whose sum is σ = 130294736. Its totient is φ = 55520640.

The previous prime is 86708509. The next prime is 86708513. The reversal of 86708511 is 11580768.

It is an interprime number because it is at equal distance from previous prime (86708509) and next prime (86708513).

It is not a de Polignac number, because 86708511 - 2¹ = 86708509 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86708513) 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 23 ways as a sum of consecutive naturals, for example, 21771 + ... + 25443.

Almost surely, 2^86708511 is an apocalyptic number.

86708511 is a deficient number, since it is larger than the sum of its proper divisors (43586225).

86708511 is a wasteful number, since it uses less digits than its factorization.

86708511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783 (or 3780 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 86708511 is about 9311.7404925180. The cubic root of 86708511 is about 442.6093419346.

The spelling of 86708511 in words is "eighty-six million, seven hundred eight thousand, five hundred eleven".