86530855 has 4 divisors (see below), whose sum is σ = 103837032. Its totient is φ = 69224680.

The previous prime is 86530823. The next prime is 86530861. The reversal of 86530855 is 55803568.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 86530855 - 2⁵ = 86530823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8653081 + ... + 8653090.

It is an arithmetic number, because the mean of its divisors is an integer number (25959258).

Almost surely, 2^86530855 is an apocalyptic number.

86530855 is a deficient number, since it is larger than the sum of its proper divisors (17306177).

86530855 is a wasteful number, since it uses less digits than its factorization.

86530855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17306176.

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 86530855 is about 9302.1962460486. The cubic root of 86530855 is about 442.3068496402.

The spelling of 86530855 in words is "eighty-six million, five hundred thirty thousand, eight hundred fifty-five".