86508495 has 24 divisors (see below), whose sum is σ = 158769936. Its totient is φ = 43423488.

The previous prime is 86508491. The next prime is 86508509. The reversal of 86508495 is 59480568.

It is not a de Polignac number, because 86508495 - 2² = 86508491 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 86508495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86508491) 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, 55777 + ... + 57306.

It is an arithmetic number, because the mean of its divisors is an integer number (6615414).

Almost surely, 2^86508495 is an apocalyptic number.

86508495 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

86508495 is a deficient number, since it is larger than the sum of its proper divisors (72261441).

86508495 is a wasteful number, since it uses less digits than its factorization.

86508495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113111 (or 113108 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 86508495 is about 9300.9943016862. The cubic root of 86508495 is about 442.2687482672.

The spelling of 86508495 in words is "eighty-six million, five hundred eight thousand, four hundred ninety-five".