4664664677 has 2 divisors, whose sum is σ = 4664664678. Its totient is φ = 4664664676.

The previous prime is 4664664659. The next prime is 4664664727. The reversal of 4664664677 is 7764664664.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4641151876 + 23512801 = 68126^2 + 4849^2 .

It is a cyclic number.

It is not a de Polignac number, because 4664664677 - 2⁸ = 4664664421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4664664607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2332332338 + 2332332339.

It is an arithmetic number, because the mean of its divisors is an integer number (2332332339).

Almost surely, 2^4664664677 is an apocalyptic number.

It is an amenable number.

4664664677 is a deficient number, since it is larger than the sum of its proper divisors (1).

4664664677 is an equidigital number, since it uses as much as digits as its factorization.

4664664677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24385536, while the sum is 56.

The square root of 4664664677 is about 68298.3504705641. The cubic root of 4664664677 is about 1670.8603115066.

The spelling of 4664664677 in words is "four billion, six hundred sixty-four million, six hundred sixty-four thousand, six hundred seventy-seven".