4027664077 has 2 divisors, whose sum is σ = 4027664078. Its totient is φ = 4027664076.

The previous prime is 4027664041. The next prime is 4027664111. The reversal of 4027664077 is 7704667204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3945598596 + 82065481 = 62814^2 + 9059^2 .

It is a cyclic number.

It is not a de Polignac number, because 4027664077 - 2¹⁹ = 4027139789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4027664477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2013832038 + 2013832039.

It is an arithmetic number, because the mean of its divisors is an integer number (2013832039).

Almost surely, 2^4027664077 is an apocalyptic number.

It is an amenable number.

4027664077 is a deficient number, since it is larger than the sum of its proper divisors (1).

4027664077 is an equidigital number, since it uses as much as digits as its factorization.

4027664077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 395136, while the sum is 43.

The square root of 4027664077 is about 63463.8800972648. The cubic root of 4027664077 is about 1591.0521465904.

The spelling of 4027664077 in words is "four billion, twenty-seven million, six hundred sixty-four thousand, seventy-seven".