94646664677 has 2 divisors, whose sum is σ = 94646664678. Its totient is φ = 94646664676.

The previous prime is 94646664649. The next prime is 94646664691. The reversal of 94646664677 is 77646664649.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56873187361 + 37773477316 = 238481^2 + 194354^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94646664677 is a prime.

It is a super-2 number, since 2×94646664677² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94646664617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47323332338 + 47323332339.

It is an arithmetic number, because the mean of its divisors is an integer number (47323332339).

Almost surely, 2^94646664677 is an apocalyptic number.

It is an amenable number.

94646664677 is a deficient number, since it is larger than the sum of its proper divisors (1).

94646664677 is an equidigital number, since it uses as much as digits as its factorization.

94646664677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 219469824, while the sum is 65.

The spelling of 94646664677 in words is "ninety-four billion, six hundred forty-six million, six hundred sixty-four thousand, six hundred seventy-seven".