891212082 has 32 divisors (see below), whose sum is σ = 1803803904. Its totient is φ = 293520000.

The previous prime is 891212071. The next prime is 891212083. The reversal of 891212082 is 280212198.

891212082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (891212083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362983 + ... + 365429.

It is an arithmetic number, because the mean of its divisors is an integer number (56368872).

Almost surely, 2^891212082 is an apocalyptic number.

891212082 is an abundant number, since it is smaller than the sum of its proper divisors (912591822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

891212082 is a wasteful number, since it uses less digits than its factorization.

891212082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 891212082 is about 29853.1754089913. The cubic root of 891212082 is about 962.3366408988.

The spelling of 891212082 in words is "eight hundred ninety-one million, two hundred twelve thousand, eighty-two".