86187227 has 6 divisors (see below), whose sum is σ = 100258668. Its totient is φ = 73874724.

The previous prime is 86187221. The next prime is 86187271. The reversal of 86187227 is 72278168.

It is not a de Polignac number, because 86187227 - 2¹⁸ = 85925083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86187221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 879413 + ... + 879510.

It is an arithmetic number, because the mean of its divisors is an integer number (16709778).

Almost surely, 2^86187227 is an apocalyptic number.

86187227 is a deficient number, since it is larger than the sum of its proper divisors (14071441).

86187227 is a wasteful number, since it uses less digits than its factorization.

86187227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758937 (or 1758930 counting only the distinct ones).

The product of its digits is 75264, while the sum is 41.

The square root of 86187227 is about 9283.7076106478. The cubic root of 86187227 is about 441.7205822556.

It can be divided in two parts, 861 and 87227, that added together give a palindrome (88088).

The spelling of 86187227 in words is "eighty-six million, one hundred eighty-seven thousand, two hundred twenty-seven".