82429543 has 8 divisors (see below), whose sum is σ = 99163520. Its totient is φ = 66935160.

The previous prime is 82429537. The next prime is 82429573. The reversal of 82429543 is 34592428.

It is a happy number.

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 82429543 - 2²¹ = 80332391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82429573) 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, 309753 + ... + 310018.

It is an arithmetic number, because the mean of its divisors is an integer number (12395440).

Almost surely, 2^82429543 is an apocalyptic number.

82429543 is a deficient number, since it is larger than the sum of its proper divisors (16733977).

82429543 is a wasteful number, since it uses less digits than its factorization.

82429543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619797.

The product of its digits is 69120, while the sum is 37.

The square root of 82429543 is about 9079.0717036490. The cubic root of 82429543 is about 435.2054219803.

The spelling of 82429543 in words is "eighty-two million, four hundred twenty-nine thousand, five hundred forty-three".