83788046220 has 72 divisors (see below), whose sum is σ = 237614885424. Its totient is φ = 22060551552.

The previous prime is 83788046219. The next prime is 83788046233. The reversal of 83788046220 is 2264088738.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 83788046220.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262582 + ... + 486338.

It is an arithmetic number, because the mean of its divisors is an integer number (3300206742).

Almost surely, 2^83788046220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83788046220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118807442712).

83788046220 is an abundant number, since it is smaller than the sum of its proper divisors (153826839204).

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

83788046220 is a wasteful number, since it uses less digits than its factorization.

83788046220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223927 (or 223846 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 83788046220 in words is "eighty-three billion, seven hundred eighty-eight million, forty-six thousand, two hundred twenty".