6671677 has 2 divisors, whose sum is σ = 6671678. Its totient is φ = 6671676.

The previous prime is 6671671. The next prime is 6671681. The reversal of 6671677 is 7761766.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5659641 + 1012036 = 2379^2 + 1006^2 .

It is a cyclic number.

It is not a de Polignac number, because 6671677 - 2³ = 6671669 is a prime.

It is a super-2 number, since 2×6671677² = 89022547984658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6671671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335838 + 3335839.

It is an arithmetic number, because the mean of its divisors is an integer number (3335839).

Almost surely, 2^6671677 is an apocalyptic number.

It is an amenable number.

6671677 is a deficient number, since it is larger than the sum of its proper divisors (1).

6671677 is an equidigital number, since it uses as much as digits as its factorization.

6671677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74088, while the sum is 40.

The square root of 6671677 is about 2582.9589621208. The cubic root of 6671677 is about 188.2543430113.

The spelling of 6671677 in words is "six million, six hundred seventy-one thousand, six hundred seventy-seven".