86512227 has 16 divisors (see below), whose sum is σ = 120711168. Its totient is φ = 55045440.

The previous prime is 86512219. The next prime is 86512229. The reversal of 86512227 is 72221568.

It is not a de Polignac number, because 86512227 - 2³ = 86512219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86512229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418 + ... + 13160.

It is an arithmetic number, because the mean of its divisors is an integer number (7544448).

Almost surely, 2^86512227 is an apocalyptic number.

86512227 is a deficient number, since it is larger than the sum of its proper divisors (34198941).

86512227 is a wasteful number, since it uses less digits than its factorization.

86512227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12850.

The product of its digits is 13440, while the sum is 33.

The square root of 86512227 is about 9301.1949232343. The cubic root of 86512227 is about 442.2751080404.

It can be divided in two parts, 8651 and 2227, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 86512227 in words is "eighty-six million, five hundred twelve thousand, two hundred twenty-seven".