6666677 has 8 divisors (see below), whose sum is σ = 6865056. Its totient is φ = 6470352.

The previous prime is 6666617. The next prime is 6666679. The reversal of 6666677 is 7766666.

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 6666677 - 2⁶ = 6666613 is a prime.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666679) 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, 8078 + ... + 8864.

It is an arithmetic number, because the mean of its divisors is an integer number (858132).

Almost surely, 2^6666677 is an apocalyptic number.

It is an amenable number.

6666677 is a deficient number, since it is larger than the sum of its proper divisors (198379).

6666677 is a wasteful number, since it uses less digits than its factorization.

6666677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027.

The product of its digits is 381024, while the sum is 44.

The square root of 6666677 is about 2581.9908985122. The cubic root of 6666677 is about 188.2073030165.

The spelling of 6666677 in words is "six million, six hundred sixty-six thousand, six hundred seventy-seven".