808821982 has 8 divisors (see below), whose sum is σ = 1277087400. Its totient is φ = 383126184.

The previous prime is 808821911. The next prime is 808821983. The reversal of 808821982 is 289128808.

808821982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808821983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10642357 + ... + 10642432.

It is an arithmetic number, because the mean of its divisors is an integer number (159635925).

Almost surely, 2^808821982 is an apocalyptic number.

808821982 is a deficient number, since it is larger than the sum of its proper divisors (468265418).

808821982 is a wasteful number, since it uses less digits than its factorization.

808821982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21284810.

The product of its (nonzero) digits is 147456, while the sum is 46.

The square root of 808821982 is about 28439.7957446955. The cubic root of 808821982 is about 931.7176342876.

The spelling of 808821982 in words is "eight hundred eight million, eight hundred twenty-one thousand, nine hundred eighty-two".