86231872 has 28 divisors (see below), whose sum is σ = 172268896. Its totient is φ = 42825600.

The previous prime is 86231869. The next prime is 86231911. The reversal of 86231872 is 27813268.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5203 + ... + 14125.

Almost surely, 2^86231872 is an apocalyptic number.

It is an amenable number.

86231872 is a deficient number, since it is larger than the sum of its proper divisors (86037024).

86231872 is a wasteful number, since it uses less digits than its factorization.

86231872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9086 (or 9076 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 86231872 is about 9286.1117805032. Note that the first 3 decimals coincide. The cubic root of 86231872 is about 441.7968395386.

The spelling of 86231872 in words is "eighty-six million, two hundred thirty-one thousand, eight hundred seventy-two".