83871086 has 16 divisors (see below), whose sum is σ = 136687824. Its totient is φ = 38365824.

The previous prime is 83871083. The next prime is 83871091. The reversal of 83871086 is 68017838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83871083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11336 + ... + 17211.

It is an arithmetic number, because the mean of its divisors is an integer number (8542989).

Almost surely, 2^83871086 is an apocalyptic number.

83871086 is a deficient number, since it is larger than the sum of its proper divisors (52816738).

83871086 is a wasteful number, since it uses less digits than its factorization.

83871086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28675.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 83871086 is about 9158.1158542574. The cubic root of 83871086 is about 437.7277590697.

The spelling of 83871086 in words is "eighty-three million, eight hundred seventy-one thousand, eighty-six".