8898578081 has 4 divisors (see below), whose sum is σ = 8903036052. Its totient is φ = 8894120112.

The previous prime is 8898578027. The next prime is 8898578093. The reversal of 8898578081 is 1808758988.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4131918400 + 4766659681 = 64280^2 + 69041^2 .

It is a cyclic number.

It is not a de Polignac number, because 8898578081 - 2²² = 8894383777 is a prime.

It is a super-2 number, since 2×8898578081² (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 (8898578681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2225990 + ... + 2229983.

It is an arithmetic number, because the mean of its divisors is an integer number (2225759013).

Almost surely, 2^8898578081 is an apocalyptic number.

It is an amenable number.

8898578081 is a deficient number, since it is larger than the sum of its proper divisors (4457971).

8898578081 is a wasteful number, since it uses less digits than its factorization.

8898578081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457970.

The product of its (nonzero) digits is 10321920, while the sum is 62.

The square root of 8898578081 is about 94332.2748639086. The cubic root of 8898578081 is about 2072.2407283086.

The spelling of 8898578081 in words is "eight billion, eight hundred ninety-eight million, five hundred seventy-eight thousand, eighty-one".