82263646 has 16 divisors (see below), whose sum is σ = 134870400. Its totient is φ = 37463040.

The previous prime is 82263631. The next prime is 82263659. The reversal of 82263646 is 64636228.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 37971 + ... + 40078.

It is an arithmetic number, because the mean of its divisors is an integer number (8429400).

Almost surely, 2^82263646 is an apocalyptic number.

82263646 is a deficient number, since it is larger than the sum of its proper divisors (52606754).

82263646 is a wasteful number, since it uses less digits than its factorization.

82263646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78099.

The product of its digits is 82944, while the sum is 37.

The square root of 82263646 is about 9069.9308707399. The cubic root of 82263646 is about 434.9132623113.

The spelling of 82263646 in words is "eighty-two million, two hundred sixty-three thousand, six hundred forty-six".