885946661 has 4 divisors (see below), whose sum is σ = 886281024. Its totient is φ = 885612300.

The previous prime is 885946643. The next prime is 885946679. The reversal of 885946661 is 166649588.

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 an interprime number because it is at equal distance from previous prime (885946643) and next prime (885946679).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-885946661 is a prime.

It is a super-2 number, since 2×885946661² = 1569802972274097842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (885946601) 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, 163175 + ... + 168516.

It is an arithmetic number, because the mean of its divisors is an integer number (221570256).

Almost surely, 2^885946661 is an apocalyptic number.

It is an amenable number.

885946661 is a deficient number, since it is larger than the sum of its proper divisors (334363).

885946661 is a wasteful number, since it uses less digits than its factorization.

885946661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334362.

The product of its digits is 2488320, while the sum is 53.

The square root of 885946661 is about 29764.8561394138. The cubic root of 885946661 is about 960.4376841732.

The spelling of 885946661 in words is "eight hundred eighty-five million, nine hundred forty-six thousand, six hundred sixty-one".