83868886 has 4 divisors (see below), whose sum is σ = 125803332. Its totient is φ = 41934442.

The previous prime is 83868823. The next prime is 83868887. The reversal of 83868886 is 68886838.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68886838 = 2 ⋅34443419.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83868887) by changing a digit.

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, 20967220 + ... + 20967223.

It is an arithmetic number, because the mean of its divisors is an integer number (31450833).

Almost surely, 2^83868886 is an apocalyptic number.

83868886 is a deficient number, since it is larger than the sum of its proper divisors (41934446).

83868886 is a wasteful number, since it uses less digits than its factorization.

83868886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41934445.

The product of its digits is 3538944, while the sum is 55.

The square root of 83868886 is about 9157.9957414273. The cubic root of 83868886 is about 437.7239317297.

The spelling of 83868886 in words is "eighty-three million, eight hundred sixty-eight thousand, eight hundred eighty-six".