82343047 has 4 divisors (see below), whose sum is σ = 84351456. Its totient is φ = 80334640.

The previous prime is 82343039. The next prime is 82343077. The reversal of 82343047 is 74034328.

It is a happy number.

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 82343047 - 2³ = 82343039 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82343077) 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 3 ways as a sum of consecutive naturals, for example, 1004143 + ... + 1004224.

It is an arithmetic number, because the mean of its divisors is an integer number (21087864).

Almost surely, 2^82343047 is an apocalyptic number.

82343047 is a deficient number, since it is larger than the sum of its proper divisors (2008409).

82343047 is a wasteful number, since it uses less digits than its factorization.

82343047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008408.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 82343047 is about 9074.3069707829. The cubic root of 82343047 is about 435.0531436371.

The spelling of 82343047 in words is "eighty-two million, three hundred forty-three thousand, forty-seven".