83117843 has 8 divisors (see below), whose sum is σ = 84683760. Its totient is φ = 81557280.

The previous prime is 83117831. The next prime is 83117861. The reversal of 83117843 is 34871138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83117843 - 2¹² = 83113747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83117803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43733 + ... + 45593.

It is an arithmetic number, because the mean of its divisors is an integer number (10585470).

Almost surely, 2^83117843 is an apocalyptic number.

83117843 is a deficient number, since it is larger than the sum of its proper divisors (1565917).

83117843 is a wasteful number, since it uses less digits than its factorization.

83117843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677.

The product of its digits is 16128, while the sum is 35.

The square root of 83117843 is about 9116.8987599951. The cubic root of 83117843 is about 436.4134110848.

The spelling of 83117843 in words is "eighty-three million, one hundred seventeen thousand, eight hundred forty-three".