82879143 has 16 divisors (see below), whose sum is σ = 116033280. Its totient is φ = 52519104.

The previous prime is 82879141. The next prime is 82879171. The reversal of 82879143 is 34197828.

It is not a de Polignac number, because 82879143 - 2¹ = 82879141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82879095 and 82879104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82879141) 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 15 ways as a sum of consecutive naturals, for example, 7563 + ... + 14931.

It is an arithmetic number, because the mean of its divisors is an integer number (7252080).

Almost surely, 2^82879143 is an apocalyptic number.

82879143 is a deficient number, since it is larger than the sum of its proper divisors (33154137).

82879143 is a wasteful number, since it uses less digits than its factorization.

82879143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7558.

The product of its digits is 96768, while the sum is 42.

The square root of 82879143 is about 9103.7982732484. The cubic root of 82879143 is about 435.9952427026.

The spelling of 82879143 in words is "eighty-two million, eight hundred seventy-nine thousand, one hundred forty-three".