8880661 has 4 divisors (see below), whose sum is σ = 9087232. Its totient is φ = 8674092.

The previous prime is 8880653. The next prime is 8880667. The reversal of 8880661 is 1660888.

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 8880661 - 2³ = 8880653 is a prime.

It is a super-2 number, since 2×8880661² = 157732279593842, which contains 22 as substring.

It is a Duffinian number.

8880661 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8880661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8880667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103221 + ... + 103306.

It is an arithmetic number, because the mean of its divisors is an integer number (2271808).

Almost surely, 2^8880661 is an apocalyptic number.

It is an amenable number.

8880661 is a deficient number, since it is larger than the sum of its proper divisors (206571).

8880661 is a wasteful number, since it uses less digits than its factorization.

8880661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206570.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 8880661 is about 2980.0437916245. The cubic root of 8880661 is about 207.0848990899.

The spelling of 8880661 in words is "eight million, eight hundred eighty thousand, six hundred sixty-one".