8661055 has 16 divisors (see below), whose sum is σ = 11783520. Its totient is φ = 6058368.

The previous prime is 8661049. The next prime is 8661061. The reversal of 8661055 is 5501668.

8661055 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8661049) and next prime (8661061).

It is a cyclic number.

It is not a de Polignac number, because 8661055 - 2³ = 8661047 is a prime.

8661055 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2272 + ... + 4741.

It is an arithmetic number, because the mean of its divisors is an integer number (736470).

Almost surely, 2^8661055 is an apocalyptic number.

8661055 is a deficient number, since it is larger than the sum of its proper divisors (3122465).

8661055 is a wasteful number, since it uses less digits than its factorization.

8661055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7050.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 8661055 is about 2942.9670402504. The cubic root of 8661055 is about 205.3636614584.

The spelling of 8661055 in words is "eight million, six hundred sixty-one thousand, fifty-five".