83684107 has 4 divisors (see below), whose sum is σ = 90121360. Its totient is φ = 77246856.

The previous prime is 83684093. The next prime is 83684123. The reversal of 83684107 is 70148638.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83684107 - 2¹¹ = 83682059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83684197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3218607 + ... + 3218632.

It is an arithmetic number, because the mean of its divisors is an integer number (22530340).

Almost surely, 2^83684107 is an apocalyptic number.

83684107 is a deficient number, since it is larger than the sum of its proper divisors (6437253).

83684107 is a wasteful number, since it uses less digits than its factorization.

83684107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6437252.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 83684107 is about 9147.9017812830. The cubic root of 83684107 is about 437.4022325210.

The spelling of 83684107 in words is "eighty-three million, six hundred eighty-four thousand, one hundred seven".