6577679 has 2 divisors, whose sum is σ = 6577680. Its totient is φ = 6577678.

The previous prime is 6577663. The next prime is 6577699. The reversal of 6577679 is 9767756.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6577679 - 2⁴ = 6577663 is a prime.

It is a super-2 number, since 2×6577679² = 86531722054082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6577699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3288839 + 3288840.

It is an arithmetic number, because the mean of its divisors is an integer number (3288840).

Almost surely, 2^6577679 is an apocalyptic number.

6577679 is a deficient number, since it is larger than the sum of its proper divisors (1).

6577679 is an equidigital number, since it uses as much as digits as its factorization.

6577679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 555660, while the sum is 47.

The square root of 6577679 is about 2564.6986177717. The cubic root of 6577679 is about 187.3660459528.

The spelling of 6577679 in words is "six million, five hundred seventy-seven thousand, six hundred seventy-nine".