8829427681 has 4 divisors (see below), whose sum is σ = 8887900864. Its totient is φ = 8770954500.

The previous prime is 8829427669. The next prime is 8829427687. The reversal of 8829427681 is 1867249288.

It is a happy number.

8829427681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8829427681 - 2⁷ = 8829427553 is a prime.

It is a super-2 number, since 2×8829427681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8829427687) 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 3 ways as a sum of consecutive naturals, for example, 29236365 + ... + 29236666.

It is an arithmetic number, because the mean of its divisors is an integer number (2221975216).

Almost surely, 2^8829427681 is an apocalyptic number.

It is an amenable number.

8829427681 is a deficient number, since it is larger than the sum of its proper divisors (58473183).

8829427681 is a wasteful number, since it uses less digits than its factorization.

8829427681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58473182.

The product of its digits is 3096576, while the sum is 55.

The square root of 8829427681 is about 93965.0343532103. The cubic root of 8829427681 is about 2066.8590044920.

The spelling of 8829427681 in words is "eight billion, eight hundred twenty-nine million, four hundred twenty-seven thousand, six hundred eighty-one".