86765085 has 48 divisors (see below), whose sum is σ = 171220608. Its totient is φ = 40233600.

The previous prime is 86765047. The next prime is 86765089. The reversal of 86765085 is 58056768.

It is not a de Polignac number, because 86765085 - 2⁸ = 86764829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 86765085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86765089) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7575 + ... + 15195.

It is an arithmetic number, because the mean of its divisors is an integer number (3567096).

Almost surely, 2^86765085 is an apocalyptic number.

It is an amenable number.

86765085 is a deficient number, since it is larger than the sum of its proper divisors (84455523).

86765085 is a wasteful number, since it uses less digits than its factorization.

86765085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666 (or 7663 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 86765085 is about 9314.7777751270. Note that the first 5 decimals coincide. The cubic root of 86765085 is about 442.7055829175.

The spelling of 86765085 in words is "eighty-six million, seven hundred sixty-five thousand, eighty-five".