83968694 has 4 divisors (see below), whose sum is σ = 125953044. Its totient is φ = 41984346.

The previous prime is 83968681. The next prime is 83968747. The reversal of 83968694 is 49686938.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20992172 + ... + 20992175.

It is an arithmetic number, because the mean of its divisors is an integer number (31488261).

Almost surely, 2^83968694 is an apocalyptic number.

83968694 is a deficient number, since it is larger than the sum of its proper divisors (41984350).

83968694 is a wasteful number, since it uses less digits than its factorization.

83968694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41984349.

The product of its digits is 2239488, while the sum is 53.

The square root of 83968694 is about 9163.4433484362. The cubic root of 83968694 is about 437.8975003926.

The spelling of 83968694 in words is "eighty-three million, nine hundred sixty-eight thousand, six hundred ninety-four".