83718743 has 4 divisors (see below), whose sum is σ = 83737560. Its totient is φ = 83699928.

The previous prime is 83718707. The next prime is 83718751. The reversal of 83718743 is 34781738.

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 83718743 - 2⁸ = 83718487 is a prime.

It is a Duffinian number.

Its product of digits (112896) is a multiple of the sum of its prime divisors (18816).

It is a self number, because there is not a number n which added to its sum of digits gives 83718743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83718763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421 + ... + 13017.

It is an arithmetic number, because the mean of its divisors is an integer number (20934390).

Almost surely, 2^83718743 is an apocalyptic number.

83718743 is a deficient number, since it is larger than the sum of its proper divisors (18817).

83718743 is a wasteful number, since it uses less digits than its factorization.

83718743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18816.

The product of its digits is 112896, while the sum is 41.

The square root of 83718743 is about 9149.7946971503. The cubic root of 83718743 is about 437.4625696413.

The spelling of 83718743 in words is "eighty-three million, seven hundred eighteen thousand, seven hundred forty-three".