7964448663 has 4 divisors (see below), whose sum is σ = 10619264888. Its totient is φ = 5309632440.

The previous prime is 7964448641. The next prime is 7964448683. The reversal of 7964448663 is 3668444697.

7964448663 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7964448663 - 2⁶ = 7964448599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7964448623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327408108 + ... + 1327408113.

It is an arithmetic number, because the mean of its divisors is an integer number (2654816222).

Almost surely, 2^7964448663 is an apocalyptic number.

7964448663 is a deficient number, since it is larger than the sum of its proper divisors (2654816225).

7964448663 is a wasteful number, since it uses less digits than its factorization.

7964448663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654816224.

The product of its digits is 20901888, while the sum is 57.

The square root of 7964448663 is about 89243.7597986548. The cubic root of 7964448663 is about 1997.0329891833.

The spelling of 7964448663 in words is "seven billion, nine hundred sixty-four million, four hundred forty-eight thousand, six hundred sixty-three".