83444868 has 36 divisors (see below), whose sum is σ = 227156748. Its totient is φ = 25675200.

The previous prime is 83444849. The next prime is 83444869. The reversal of 83444868 is 86844438.

It can be written as a sum of positive squares in 2 ways, for example, as 38044224 + 45400644 = 6168^2 + 6738^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (83444869) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 88683 + ... + 89618.

Almost surely, 2^83444868 is an apocalyptic number.

It is an amenable number.

83444868 is an abundant number, since it is smaller than the sum of its proper divisors (143711880).

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

83444868 is a wasteful number, since it uses less digits than its factorization.

83444868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178324 (or 178319 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

The square root of 83444868 is about 9134.8162543097. The cubic root of 83444868 is about 436.9850145060.

The spelling of 83444868 in words is "eighty-three million, four hundred forty-four thousand, eight hundred sixty-eight".