86804311903 has 4 divisors (see below), whose sum is σ = 86814161368. Its totient is φ = 86794462440.

The previous prime is 86804311843. The next prime is 86804311921. The reversal of 86804311903 is 30911340868.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86804311903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86804311903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86804311403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4911501 + ... + 4929142.

It is an arithmetic number, because the mean of its divisors is an integer number (21703540342).

Almost surely, 2^86804311903 is an apocalyptic number.

86804311903 is a deficient number, since it is larger than the sum of its proper divisors (9849465).

86804311903 is an equidigital number, since it uses as much as digits as its factorization.

86804311903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9849464.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 86804311903 in words is "eighty-six billion, eight hundred four million, three hundred eleven thousand, nine hundred three".