83081286 has 12 divisors (see below), whose sum is σ = 180009492. Its totient is φ = 27693756.

The previous prime is 83081249. The next prime is 83081291. The reversal of 83081286 is 68218038.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 83081286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2307796 + ... + 2307831.

It is an arithmetic number, because the mean of its divisors is an integer number (15000791).

Almost surely, 2^83081286 is an apocalyptic number.

83081286 is an abundant number, since it is smaller than the sum of its proper divisors (96928206).

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

83081286 is a wasteful number, since it uses less digits than its factorization.

83081286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615635 (or 4615632 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 83081286 is about 9114.8936362417. The cubic root of 83081286 is about 436.3494203939.

The spelling of 83081286 in words is "eighty-three million, eighty-one thousand, two hundred eighty-six".