8661067 has 4 divisors (see below), whose sum is σ = 8671320. Its totient is φ = 8650816.

The previous prime is 8661061. The next prime is 8661089. The reversal of 8661067 is 7601668.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8661067 - 2¹¹ = 8659019 is a prime.

It is a Duffinian number.

8661067 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8661061) 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, 3733 + ... + 5590.

It is an arithmetic number, because the mean of its divisors is an integer number (2167830).

Almost surely, 2^8661067 is an apocalyptic number.

8661067 is a deficient number, since it is larger than the sum of its proper divisors (10253).

8661067 is an equidigital number, since it uses as much as digits as its factorization.

8661067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10252.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 8661067 is about 2942.9690790085. The cubic root of 8661067 is about 205.3637563030.

The spelling of 8661067 in words is "eight million, six hundred sixty-one thousand, sixty-seven".