83868093 has 6 divisors (see below), whose sum is σ = 121142814. Its totient is φ = 55912056.

The previous prime is 83868091. The next prime is 83868119. The reversal of 83868093 is 39086838.

It can be written as a sum of positive squares in only one way, i.e., 48191364 + 35676729 = 6942^2 + 5973^2 .

It is not a de Polignac number, because 83868093 - 2¹ = 83868091 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83868091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4659330 + ... + 4659347.

It is an arithmetic number, because the mean of its divisors is an integer number (20190469).

Almost surely, 2^83868093 is an apocalyptic number.

It is an amenable number.

83868093 is a deficient number, since it is larger than the sum of its proper divisors (37274721).

83868093 is a wasteful number, since it uses less digits than its factorization.

83868093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9318683 (or 9318680 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 83868093 is about 9157.9524458254. The cubic root of 83868093 is about 437.7225521312.

The spelling of 83868093 in words is "eighty-three million, eight hundred sixty-eight thousand, ninety-three".