83115939843 has 6 divisors (see below), whose sum is σ = 120056357564. Its totient is φ = 55410626556.

The previous prime is 83115939821. The next prime is 83115939853. The reversal of 83115939843 is 34893951138.

83115939843 is a `hidden beast` number, since 8 + 3 + 1 + 1 + 593 + 9 + 8 + 43 = 666.

It is not a de Polignac number, because 83115939843 - 2⁶ = 83115939779 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 83115939843.

It is not an unprimeable number, because it can be changed into a prime (83115939853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4617552205 + ... + 4617552222.

Almost surely, 2^83115939843 is an apocalyptic number.

83115939843 is a deficient number, since it is larger than the sum of its proper divisors (36940417721).

83115939843 is a wasteful number, since it uses less digits than its factorization.

83115939843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9235104433 (or 9235104430 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The spelling of 83115939843 in words is "eighty-three billion, one hundred fifteen million, nine hundred thirty-nine thousand, eight hundred forty-three".