83952237728 has 48 divisors (see below), whose sum is σ = 169151431680. Its totient is φ = 40996889856.

The previous prime is 83952237709. The next prime is 83952237769. The reversal of 83952237728 is 82773225938.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662150 + ... + 778682.

It is an arithmetic number, because the mean of its divisors is an integer number (3523988160).

Almost surely, 2^83952237728 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 83952237728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84575715840).

83952237728 is an abundant number, since it is smaller than the sum of its proper divisors (85199193952).

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

83952237728 is a wasteful number, since it uses less digits than its factorization.

83952237728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117069 (or 117061 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 56.

The spelling of 83952237728 in words is "eighty-three billion, nine hundred fifty-two million, two hundred thirty-seven thousand, seven hundred twenty-eight".