83800002 has 72 divisors (see below), whose sum is σ = 199774512. Its totient is φ = 23406240.

The previous prime is 83799983. The next prime is 83800007. The reversal of 83800002 is 20000838.

It is not an unprimeable number, because it can be changed into a prime (83800007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 122353 + ... + 123035.

It is an arithmetic number, because the mean of its divisors is an integer number (2774646).

Almost surely, 2^83800002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83800002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99887256).

83800002 is an abundant number, since it is smaller than the sum of its proper divisors (115974510).

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

83800002 is a wasteful number, since it uses less digits than its factorization.

83800002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 83800002 is about 9154.2341023157. The cubic root of 83800002 is about 437.6040603627.

The spelling of 83800002 in words is "eighty-three million, eight hundred thousand, two".