6641077 has 2 divisors, whose sum is σ = 6641078. Its totient is φ = 6641076.

The previous prime is 6641039. The next prime is 6641083. The reversal of 6641077 is 7701466.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4036081 + 2604996 = 2009^2 + 1614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6641077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6641027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3320538 + 3320539.

It is an arithmetic number, because the mean of its divisors is an integer number (3320539).

Almost surely, 2^6641077 is an apocalyptic number.

It is an amenable number.

6641077 is a deficient number, since it is larger than the sum of its proper divisors (1).

6641077 is an equidigital number, since it uses as much as digits as its factorization.

6641077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 6641077 is about 2577.0287154007. The cubic root of 6641077 is about 187.9660890247.

The spelling of 6641077 in words is "six million, six hundred forty-one thousand, seventy-seven".