82809862 has 8 divisors (see below), whose sum is σ = 124254000. Its totient is φ = 41391864.

The previous prime is 82809829. The next prime is 82809871. The reversal of 82809862 is 26890828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6964 + ... + 14632.

It is an arithmetic number, because the mean of its divisors is an integer number (15531750).

Almost surely, 2^82809862 is an apocalyptic number.

82809862 is a deficient number, since it is larger than the sum of its proper divisors (41444138).

82809862 is a wasteful number, since it uses less digits than its factorization.

82809862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13070.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 82809862 is about 9099.9924175793. The cubic root of 82809862 is about 435.8737219518.

The spelling of 82809862 in words is "eighty-two million, eight hundred nine thousand, eight hundred sixty-two".