8386841091893 has 32 divisors (see below), whose sum is σ = 9823921920000. Its totient is φ = 7079626869120.

The previous prime is 8386841091887. The next prime is 8386841091949. The reversal of 8386841091893 is 3981901486838.

It is a happy number.

It is not a de Polignac number, because 8386841091893 - 2⁴ = 8386841091877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8386841091193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 408158 + ... + 4115856.

It is an arithmetic number, because the mean of its divisors is an integer number (306997560000).

Almost surely, 2^{8386841091893} is an apocalyptic number.

It is an amenable number.

8386841091893 is a deficient number, since it is larger than the sum of its proper divisors (1437080828107).

8386841091893 is a wasteful number, since it uses less digits than its factorization.

8386841091893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707945.

The product of its (nonzero) digits is 71663616, while the sum is 68.

The spelling of 8386841091893 in words is "eight trillion, three hundred eighty-six billion, eight hundred forty-one million, ninety-one thousand, eight hundred ninety-three".