83789982 has 24 divisors (see below), whose sum is σ = 181726896. Its totient is φ = 27902016.

The previous prime is 83789947. The next prime is 83789983. The reversal of 83789982 is 28998738.

It is a super-2 number, since 2×83789982² = 14041522167120648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83789983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24438 + ... + 27654.

It is an arithmetic number, because the mean of its divisors is an integer number (7571954).

Almost surely, 2^83789982 is an apocalyptic number.

83789982 is an abundant number, since it is smaller than the sum of its proper divisors (97936914).

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

83789982 is a wasteful number, since it uses less digits than its factorization.

83789982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672 (or 4669 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 83789982 is about 9153.6867982251. The cubic root of 83789982 is about 437.5866181696.

The spelling of 83789982 in words is "eighty-three million, seven hundred eighty-nine thousand, nine hundred eighty-two".