83287836 has 36 divisors (see below), whose sum is σ = 210810600. Its totient is φ = 27726048.

The previous prime is 83287823. The next prime is 83287843. The reversal of 83287836 is 63878238.

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

It is a junction number, because it is equal to n+sod(n) for n = 83287791 and 83287800.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 50635 + ... + 52253.

It is an arithmetic number, because the mean of its divisors is an integer number (5855850).

Almost surely, 2^83287836 is an apocalyptic number.

It is an amenable number.

83287836 is an abundant number, since it is smaller than the sum of its proper divisors (127522764).

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

83287836 is a wasteful number, since it uses less digits than its factorization.

83287836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058 (or 3053 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 83287836 is about 9126.2169599457. The cubic root of 83287836 is about 436.7107267340.

The spelling of 83287836 in words is "eighty-three million, two hundred eighty-seven thousand, eight hundred thirty-six".