83869286 has 4 divisors (see below), whose sum is σ = 125803932. Its totient is φ = 41934642.

The previous prime is 83869277. The next prime is 83869297. The reversal of 83869286 is 68296838.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68296838 = 2 ⋅34148419.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20967320 + ... + 20967323.

It is an arithmetic number, because the mean of its divisors is an integer number (31450983).

Almost surely, 2^83869286 is an apocalyptic number.

83869286 is a deficient number, since it is larger than the sum of its proper divisors (41934646).

83869286 is a wasteful number, since it uses less digits than its factorization.

83869286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41934645.

The product of its digits is 995328, while the sum is 50.

The square root of 83869286 is about 9158.0175802408. The cubic root of 83869286 is about 437.7246276147.

The spelling of 83869286 in words is "eighty-three million, eight hundred sixty-nine thousand, two hundred eighty-six".