83899867176 has 128 divisors (see below), whose sum is σ = 243318816000. Its totient is φ = 26736297984.

The previous prime is 83899867157. The next prime is 83899867237. The reversal of 83899867176 is 67176899838.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12958276 + ... + 12964748.

It is an arithmetic number, because the mean of its divisors is an integer number (1900928250).

Almost surely, 2^83899867176 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 83899867176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121659408000).

83899867176 is an abundant number, since it is smaller than the sum of its proper divisors (159418948824).

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

83899867176 is a wasteful number, since it uses less digits than its factorization.

83899867176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9120 (or 9110 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 72.

The spelling of 83899867176 in words is "eighty-three billion, eight hundred ninety-nine million, eight hundred sixty-seven thousand, one hundred seventy-six".