82042826 has 4 divisors (see below), whose sum is σ = 123064242. Its totient is φ = 41021412.

The previous prime is 82042819. The next prime is 82042837. The reversal of 82042826 is 62824028.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 70476025 + 11566801 = 8395^2 + 3401^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82042792 and 82042801.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20510705 + ... + 20510708.

Almost surely, 2^82042826 is an apocalyptic number.

82042826 is a deficient number, since it is larger than the sum of its proper divisors (41021416).

82042826 is a wasteful number, since it uses less digits than its factorization.

82042826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41021415.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 82042826 is about 9057.7494997378. The cubic root of 82042826 is about 434.5237682447.

The spelling of 82042826 in words is "eighty-two million, forty-two thousand, eight hundred twenty-six".