8881628085 has 36 divisors (see below), whose sum is σ = 16921591596. Its totient is φ = 4306241280.

The previous prime is 8881627981. The next prime is 8881628101. The reversal of 8881628085 is 5808261888.

It is a happy number.

8881628085 is a `hidden beast` number, since 8 + 8 + 8 + 1 + 628 + 0 + 8 + 5 = 666.

8881628085 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4702393476 + 4179234609 = 68574^2 + 64647^2 .

It is not a de Polignac number, because 8881628085 - 2¹⁴ = 8881611701 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 810132 + ... + 821021.

It is an arithmetic number, because the mean of its divisors is an integer number (470044211).

Almost surely, 2^8881628085 is an apocalyptic number.

It is an amenable number.

8881628085 is a deficient number, since it is larger than the sum of its proper divisors (8039963511).

8881628085 is a wasteful number, since it uses less digits than its factorization.

8881628085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631186 (or 1631172 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 54.

The square root of 8881628085 is about 94242.3900641320. The cubic root of 8881628085 is about 2070.9241585134.

The spelling of 8881628085 in words is "eight billion, eight hundred eighty-one million, six hundred twenty-eight thousand, eighty-five".