83820118056 has 64 divisors (see below), whose sum is σ = 219856166400. Its totient is φ = 26595475200.

The previous prime is 83820117991. The next prime is 83820118061. The reversal of 83820118056 is 65081102838.

It is a junction number, because it is equal to n+sod(n) for n = 83820117999 and 83820118017.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 878071 + ... + 968838.

It is an arithmetic number, because the mean of its divisors is an integer number (3435252600).

Almost surely, 2^83820118056 is an apocalyptic number.

It is an amenable number.

83820118056 is an abundant number, since it is smaller than the sum of its proper divisors (136036048344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83820118056 is a wasteful number, since it uses less digits than its factorization.

83820118056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847010 (or 1847006 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 83820118056 in words is "eighty-three billion, eight hundred twenty million, one hundred eighteen thousand, fifty-six".