83789992 has 32 divisors (see below), whose sum is σ = 184574880. Its totient is φ = 35156160.

The previous prime is 83789983. The next prime is 83790017. The reversal of 83789992 is 29998738.

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 7 ways as a sum of consecutive naturals, for example, 35478 + ... + 37765.

It is an arithmetic number, because the mean of its divisors is an integer number (5767965).

Almost surely, 2^83789992 is an apocalyptic number.

It is an amenable number.

83789992 is an abundant number, since it is smaller than the sum of its proper divisors (100784888).

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

83789992 is a wasteful number, since it uses less digits than its factorization.

83789992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73273 (or 73269 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 55.

The square root of 83789992 is about 9153.6873444531. The cubic root of 83789992 is about 437.5866355776.

The spelling of 83789992 in words is "eighty-three million, seven hundred eighty-nine thousand, nine hundred ninety-two".