83768943 has 4 divisors (see below), whose sum is σ = 111691928. Its totient is φ = 55845960.

The previous prime is 83768917. The next prime is 83768947. The reversal of 83768943 is 34986738.

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

It is not a de Polignac number, because 83768943 - 2⁶ = 83768879 is a prime.

It is a super-2 number, since 2×83768943² = 14034471622674498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83768892 and 83768901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83768947) 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, 13961488 + ... + 13961493.

It is an arithmetic number, because the mean of its divisors is an integer number (27922982).

Almost surely, 2^83768943 is an apocalyptic number.

83768943 is a deficient number, since it is larger than the sum of its proper divisors (27922985).

83768943 is a wasteful number, since it uses less digits than its factorization.

83768943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27922984.

The product of its digits is 870912, while the sum is 48.

The square root of 83768943 is about 9152.5375169949. The cubic root of 83768943 is about 437.5499902605.

The spelling of 83768943 in words is "eighty-three million, seven hundred sixty-eight thousand, nine hundred forty-three".