82107943 has 8 divisors (see below), whose sum is σ = 87324912. Its totient is φ = 76934016.

The previous prime is 82107899. The next prime is 82107959. The reversal of 82107943 is 34970128.

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 82107943 - 2¹⁷ = 81976871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82107899 and 82107908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82107973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6780 + ... + 14497.

It is an arithmetic number, because the mean of its divisors is an integer number (10915614).

Almost surely, 2^82107943 is an apocalyptic number.

82107943 is a deficient number, since it is larger than the sum of its proper divisors (5216969).

82107943 is a wasteful number, since it uses less digits than its factorization.

82107943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21521.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 82107943 is about 9061.3433330826. The cubic root of 82107943 is about 434.6386976585.

The spelling of 82107943 in words is "eighty-two million, one hundred seven thousand, nine hundred forty-three".