82106879 has 6 divisors (see below), whose sum is σ = 84841920. Its totient is φ = 79457340.

The previous prime is 82106873. The next prime is 82106881. The reversal of 82106879 is 97860128.

It is not a de Polignac number, because 82106879 - 2⁴ = 82106863 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 (82106873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41759 + ... + 43680.

It is an arithmetic number, because the mean of its divisors is an integer number (14140320).

Almost surely, 2^82106879 is an apocalyptic number.

82106879 is a deficient number, since it is larger than the sum of its proper divisors (2735041).

82106879 is an equidigital number, since it uses as much as digits as its factorization.

82106879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85501 (or 85470 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 82106879 is about 9061.2846219507. The cubic root of 82106879 is about 434.6368202211.

The spelling of 82106879 in words is "eighty-two million, one hundred six thousand, eight hundred seventy-nine".