881218368 has 42 divisors (see below), whose sum is σ = 2525854994. Its totient is φ = 293739264.

The previous prime is 881218363. The next prime is 881218379. The reversal of 881218368 is 863812188.

It can be written as a sum of positive squares in only one way, i.e., 875686464 + 5531904 = 29592^2 + 2352^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881218361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 764371 + ... + 765522.

Almost surely, 2^881218368 is an apocalyptic number.

It is an amenable number.

881218368 is an abundant number, since it is smaller than the sum of its proper divisors (1644636626).

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

881218368 is a wasteful number, since it uses less digits than its factorization.

881218368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529911 (or 1529898 counting only the distinct ones).

The product of its digits is 147456, while the sum is 45.

The square root of 881218368 is about 29685.3224338224. The cubic root of 881218368 is about 958.7260184259.

The spelling of 881218368 in words is "eight hundred eighty-one million, two hundred eighteen thousand, three hundred sixty-eight".