9666677 has 4 divisors (see below), whose sum is σ = 9789120. Its totient is φ = 9544236.

The previous prime is 9666661. The next prime is 9666689. The reversal of 9666677 is 7766669.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7766669 = 167 ⋅46507.

It is a cyclic number.

It is not a de Polignac number, because 9666677 - 2⁴ = 9666661 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 (9666277) 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, 61103 + ... + 61260.

It is an arithmetic number, because the mean of its divisors is an integer number (2447280).

Almost surely, 2^9666677 is an apocalyptic number.

It is an amenable number.

9666677 is a deficient number, since it is larger than the sum of its proper divisors (122443).

9666677 is a wasteful number, since it uses less digits than its factorization.

9666677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122442.

The product of its digits is 571536, while the sum is 47.

The square root of 9666677 is about 3109.1280128036. The cubic root of 9666677 is about 213.0226268512.

The spelling of 9666677 in words is "nine million, six hundred sixty-six thousand, six hundred seventy-seven".