86714865 has 24 divisors (see below), whose sum is σ = 154371048. Its totient is φ = 44997120.

The previous prime is 86714839. The next prime is 86714867. The reversal of 86714865 is 56841768.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8020224 + 78694641 = 2832^2 + 8871^2 .

It is not a de Polignac number, because 86714865 - 2⁶ = 86714801 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 86714865.

It is not an unprimeable number, because it can be changed into a prime (86714867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24376 + ... + 27705.

It is an arithmetic number, because the mean of its divisors is an integer number (6432127).

Almost surely, 2^86714865 is an apocalyptic number.

It is an amenable number.

86714865 is a deficient number, since it is larger than the sum of its proper divisors (67656183).

86714865 is a wasteful number, since it uses less digits than its factorization.

86714865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52129 (or 52126 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 86714865 is about 9312.0816684563. The cubic root of 86714865 is about 442.6201531419.

The spelling of 86714865 in words is "eighty-six million, seven hundred fourteen thousand, eight hundred sixty-five".