8664464117 has 2 divisors, whose sum is σ = 8664464118. Its totient is φ = 8664464116.

The previous prime is 8664464101. The next prime is 8664464131. The reversal of 8664464117 is 7114644668.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8663700241 + 763876 = 93079^2 + 874^2 .

It is a cyclic number.

It is not a de Polignac number, because 8664464117 - 2⁴ = 8664464101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8664464167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4332232058 + 4332232059.

It is an arithmetic number, because the mean of its divisors is an integer number (4332232059).

Almost surely, 2^8664464117 is an apocalyptic number.

It is an amenable number.

8664464117 is a deficient number, since it is larger than the sum of its proper divisors (1).

8664464117 is an equidigital number, since it uses as much as digits as its factorization.

8664464117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 47.

The square root of 8664464117 is about 93083.1032841084. The cubic root of 8664464117 is about 2053.9060263018.

The spelling of 8664464117 in words is "eight billion, six hundred sixty-four million, four hundred sixty-four thousand, one hundred seventeen".