6665077 has 2 divisors, whose sum is σ = 6665078. Its totient is φ = 6665076.

The previous prime is 6665063. The next prime is 6665081. The reversal of 6665077 is 7705666.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6625476 + 39601 = 2574^2 + 199^2 .

It is a cyclic number.

It is not a de Polignac number, because 6665077 - 2¹¹ = 6663029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6665017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3332538 + 3332539.

It is an arithmetic number, because the mean of its divisors is an integer number (3332539).

Almost surely, 2^6665077 is an apocalyptic number.

It is an amenable number.

6665077 is a deficient number, since it is larger than the sum of its proper divisors (1).

6665077 is an equidigital number, since it uses as much as digits as its factorization.

6665077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 6665077 is about 2581.6810414922. The cubic root of 6665077 is about 188.1922452510.

The spelling of 6665077 in words is "six million, six hundred sixty-five thousand, seventy-seven".