9771668 has 36 divisors (see below), whose sum is σ = 18567360. Its totient is φ = 4497792.

The previous prime is 9771667. The next prime is 9771677. The reversal of 9771668 is 8661779.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

Its product of digits (127008) is a multiple of the sum of its prime factors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9771661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91271 + ... + 91377.

It is an arithmetic number, because the mean of its divisors is an integer number (515760).

Almost surely, 2^9771668 is an apocalyptic number.

It is an amenable number.

9771668 is a deficient number, since it is larger than the sum of its proper divisors (8795692).

9771668 is a wasteful number, since it uses less digits than its factorization.

9771668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 205 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The square root of 9771668 is about 3125.9667304692. The cubic root of 9771668 is about 213.7910733514.

The spelling of 9771668 in words is "nine million, seven hundred seventy-one thousand, six hundred sixty-eight".