8661007 has 8 divisors (see below), whose sum is σ = 9288000. Its totient is φ = 8047104.

The previous prime is 8661001. The next prime is 8661043. The reversal of 8661007 is 7001668.

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

It is a cyclic number.

It is not a de Polignac number, because 8661007 - 2¹¹ = 8658959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8661001) 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, 1882 + ... + 4567.

It is an arithmetic number, because the mean of its divisors is an integer number (1161000).

Almost surely, 2^8661007 is an apocalyptic number.

8661007 is a deficient number, since it is larger than the sum of its proper divisors (626993).

8661007 is a wasteful number, since it uses less digits than its factorization.

8661007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6545.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 8661007 is about 2942.9588852038. The cubic root of 8661007 is about 205.3632820791.

The spelling of 8661007 in words is "eight million, six hundred sixty-one thousand, seven".