82650812 has 12 divisors (see below), whose sum is σ = 149626680. Its totient is φ = 39900336.

The previous prime is 82650809. The next prime is 82650833. The reversal of 82650812 is 21805628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356138 + ... + 356369.

It is an arithmetic number, because the mean of its divisors is an integer number (12468890).

Almost surely, 2^82650812 is an apocalyptic number.

It is an amenable number.

82650812 is a deficient number, since it is larger than the sum of its proper divisors (66975868).

82650812 is a wasteful number, since it uses less digits than its factorization.

82650812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712540 (or 712538 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 82650812 is about 9091.2491990925. The cubic root of 82650812 is about 435.5944873090.

The spelling of 82650812 in words is "eighty-two million, six hundred fifty thousand, eight hundred twelve".