981320882 has 16 divisors (see below), whose sum is σ = 1513075032. Its totient is φ = 476985600.

The previous prime is 981320881. The next prime is 981320887. The reversal of 981320882 is 288023189.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 813333361 + 167987521 = 28519^2 + 12961^2 .

It is not an unprimeable number, because it can be changed into a prime (981320881) by changing a digit.

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, 91178 + ... + 101370.

Almost surely, 2^981320882 is an apocalyptic number.

981320882 is a deficient number, since it is larger than the sum of its proper divisors (531754150).

981320882 is a wasteful number, since it uses less digits than its factorization.

981320882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11533.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 981320882 is about 31326.0415948137. The cubic root of 981320882 is about 993.7344522336.

The spelling of 981320882 in words is "nine hundred eighty-one million, three hundred twenty thousand, eight hundred eighty-two".