86904043255 has 4 divisors (see below), whose sum is σ = 104284851912. Its totient is φ = 69523234600.

The previous prime is 86904043243. The next prime is 86904043273. The reversal of 86904043255 is 55234040968.

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

It is a de Polignac number, because none of the positive numbers 2^k-86904043255 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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8690404321 + ... + 8690404330.

It is an arithmetic number, because the mean of its divisors is an integer number (26071212978).

Almost surely, 2^86904043255 is an apocalyptic number.

86904043255 is a deficient number, since it is larger than the sum of its proper divisors (17380808657).

86904043255 is a wasteful number, since it uses less digits than its factorization.

86904043255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17380808656.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 86904043255 in words is "eighty-six billion, nine hundred four million, forty-three thousand, two hundred fifty-five".