82441279 has 4 divisors (see below), whose sum is σ = 87290784. Its totient is φ = 77591776.

The previous prime is 82441241. The next prime is 82441343. The reversal of 82441279 is 97214428.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82441279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82441379) 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 3 ways as a sum of consecutive naturals, for example, 2424727 + ... + 2424760.

It is an arithmetic number, because the mean of its divisors is an integer number (21822696).

Almost surely, 2^82441279 is an apocalyptic number.

82441279 is a deficient number, since it is larger than the sum of its proper divisors (4849505).

82441279 is a wasteful number, since it uses less digits than its factorization.

82441279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4849504.

The product of its digits is 32256, while the sum is 37.

The square root of 82441279 is about 9079.7180022289. The cubic root of 82441279 is about 435.2260752893.

The spelling of 82441279 in words is "eighty-two million, four hundred forty-one thousand, two hundred seventy-nine".