8829995661 has 24 divisors (see below), whose sum is σ = 13261299480. Its totient is φ = 5654791296.

The previous prime is 8829995633. The next prime is 8829995717. The reversal of 8829995661 is 1665999288.

It can be written as a sum of positive squares in 4 ways, for example, as 5670993636 + 3159002025 = 75306^2 + 56205^2 .

It is not a de Polignac number, because 8829995661 - 2⁶ = 8829995597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8829995611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34450 + ... + 137283.

It is an arithmetic number, because the mean of its divisors is an integer number (552554145).

Almost surely, 2^8829995661 is an apocalyptic number.

It is an amenable number.

8829995661 is a deficient number, since it is larger than the sum of its proper divisors (4431303819).

8829995661 is a wasteful number, since it uses less digits than its factorization.

8829995661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171965 (or 171962 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 63.

The square root of 8829995661 is about 93968.0565990380. The cubic root of 8829995661 is about 2066.9033225553.

The spelling of 8829995661 in words is "eight billion, eight hundred twenty-nine million, nine hundred ninety-five thousand, six hundred sixty-one".