8786661 has 8 divisors (see below), whose sum is σ = 12616800. Its totient is φ = 5407152.

The previous prime is 8786651. The next prime is 8786677. The reversal of 8786661 is 1666878.

8786661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8786661 - 2⁶ = 8786597 is a prime.

It is a super-3 number, since 3×8786661³ (a number of 22 digits) contains 333 as substring.

8786661 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8786611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112611 + ... + 112688.

It is an arithmetic number, because the mean of its divisors is an integer number (1577100).

Almost surely, 2^8786661 is an apocalyptic number.

It is an amenable number.

8786661 is a deficient number, since it is larger than the sum of its proper divisors (3830139).

8786661 is a wasteful number, since it uses less digits than its factorization.

8786661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225315.

The product of its digits is 96768, while the sum is 42.

The square root of 8786661 is about 2964.2302542144. The cubic root of 8786661 is about 206.3516553063.

The spelling of 8786661 in words is "eight million, seven hundred eighty-six thousand, six hundred sixty-one".