82867879 has 2 divisors, whose sum is σ = 82867880. Its totient is φ = 82867878.

The previous prime is 82867861. The next prime is 82867891. The reversal of 82867879 is 97876828.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82867879 - 2¹¹ = 82865831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82867859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41433939 + 41433940.

It is an arithmetic number, because the mean of its divisors is an integer number (41433940).

Almost surely, 2^82867879 is an apocalyptic number.

82867879 is a deficient number, since it is larger than the sum of its proper divisors (1).

82867879 is an equidigital number, since it uses as much as digits as its factorization.

82867879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 55.

The square root of 82867879 is about 9103.1796093453. The cubic root of 82867879 is about 435.9754899529.

The spelling of 82867879 in words is "eighty-two million, eight hundred sixty-seven thousand, eight hundred seventy-nine".