83903549568 has 256 divisors, whose sum is σ = 236914502400. Its totient is φ = 26255753216.

The previous prime is 83903549549. The next prime is 83903549593. The reversal of 83903549568 is 86594530938.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135985996 + ... + 135986612.

It is an arithmetic number, because the mean of its divisors is an integer number (925447275).

Almost surely, 2^83903549568 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 83903549568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118457251200).

83903549568 is an abundant number, since it is smaller than the sum of its proper divisors (153010952832).

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

83903549568 is a wasteful number, since it uses less digits than its factorization.

83903549568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 60.

The spelling of 83903549568 in words is "eighty-three billion, nine hundred three million, five hundred forty-nine thousand, five hundred sixty-eight".