86275665 has 32 divisors (see below), whose sum is σ = 175292160. Its totient is φ = 39439872.

The previous prime is 86275661. The next prime is 86275669. The reversal of 86275665 is 56657268.

86275665 is a `hidden beast` number, since 86 + 2 + 7 + 566 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (86275661) and next prime (86275669).

It is not a de Polignac number, because 86275665 - 2² = 86275661 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 86275665.

It is not an unprimeable number, because it can be changed into a prime (86275661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44704 + ... + 46593.

It is an arithmetic number, because the mean of its divisors is an integer number (5477880).

Almost surely, 2^86275665 is an apocalyptic number.

It is an amenable number.

86275665 is an abundant number, since it is smaller than the sum of its proper divisors (89016495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86275665 is a wasteful number, since it uses less digits than its factorization.

86275665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91318 (or 91312 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 86275665 is about 9288.4694648796. The cubic root of 86275665 is about 441.8716159688.

The spelling of 86275665 in words is "eighty-six million, two hundred seventy-five thousand, six hundred sixty-five".