82078343 has 4 divisors (see below), whose sum is σ = 83234448. Its totient is φ = 80922240.

The previous prime is 82078327. The next prime is 82078369. The reversal of 82078343 is 34387028.

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 82078343 - 2⁴ = 82078327 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 (82078313) 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, 577946 + ... + 578087.

It is an arithmetic number, because the mean of its divisors is an integer number (20808612).

Almost surely, 2^82078343 is an apocalyptic number.

82078343 is a deficient number, since it is larger than the sum of its proper divisors (1156105).

82078343 is a wasteful number, since it uses less digits than its factorization.

82078343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156104.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 82078343 is about 9059.7098739419. The cubic root of 82078343 is about 434.5864621448.

The spelling of 82078343 in words is "eighty-two million, seventy-eight thousand, three hundred forty-three".