83781528852 has 24 divisors (see below), whose sum is σ = 223417410496. Its totient is φ = 23937579648.

The previous prime is 83781528833. The next prime is 83781528863. The reversal of 83781528852 is 25882518738.

It is a junction number, because it is equal to n+sod(n) for n = 83781528792 and 83781528801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498699493 + ... + 498699660.

Almost surely, 2^83781528852 is an apocalyptic number.

It is an amenable number.

83781528852 is an abundant number, since it is smaller than the sum of its proper divisors (139635881644).

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

83781528852 is a wasteful number, since it uses less digits than its factorization.

83781528852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997399167 (or 997399165 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 57.

The spelling of 83781528852 in words is "eighty-three billion, seven hundred eighty-one million, five hundred twenty-eight thousand, eight hundred fifty-two".