82281379 has 2 divisors, whose sum is σ = 82281380. Its totient is φ = 82281378.

The previous prime is 82281337. The next prime is 82281421. The reversal of 82281379 is 97318228.

It is a balanced prime because it is at equal distance from previous prime (82281337) and next prime (82281421).

It is a cyclic number.

It is not a de Polignac number, because 82281379 - 2¹¹ = 82279331 is a prime.

It is not a weakly prime, because it can be changed into another prime (82281319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41140689 + 41140690.

It is an arithmetic number, because the mean of its divisors is an integer number (41140690).

Almost surely, 2^82281379 is an apocalyptic number.

82281379 is a deficient number, since it is larger than the sum of its proper divisors (1).

82281379 is an equidigital number, since it uses as much as digits as its factorization.

82281379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 82281379 is about 9070.9083889101. The cubic root of 82281379 is about 434.9445104716.

The spelling of 82281379 in words is "eighty-two million, two hundred eighty-one thousand, three hundred seventy-nine".