82678143 has 8 divisors (see below), whose sum is σ = 111106048. Its totient is φ = 54684504.

The previous prime is 82678133. The next prime is 82678153. The reversal of 82678143 is 34187628.

It is an interprime number because it is at equal distance from previous prime (82678133) and next prime (82678153).

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

It is not a de Polignac number, because 82678143 - 2⁸ = 82677887 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 (82678133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108121 + ... + 108882.

It is an arithmetic number, because the mean of its divisors is an integer number (13888256).

Almost surely, 2^82678143 is an apocalyptic number.

82678143 is a deficient number, since it is larger than the sum of its proper divisors (28427905).

82678143 is a wasteful number, since it uses less digits than its factorization.

82678143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217133.

The product of its digits is 64512, while the sum is 39.

The square root of 82678143 is about 9092.7522236119. The cubic root of 82678143 is about 435.6424961976.

The spelling of 82678143 in words is "eighty-two million, six hundred seventy-eight thousand, one hundred forty-three".