264763663868 has 24 divisors (see below), whose sum is σ = 516212331264. Its totient is φ = 117786542000.

The previous prime is 264763663867. The next prime is 264763663889. The reversal of 264763663868 is 868366367462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264763663867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64012358 + ... + 64016493.

It is an arithmetic number, because the mean of its divisors is an integer number (21508847136).

Almost surely, 2^264763663868 is an apocalyptic number.

It is an amenable number.

264763663868 is a deficient number, since it is larger than the sum of its proper divisors (251448667396).

264763663868 is a wasteful number, since it uses less digits than its factorization.

264763663868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128028913 (or 128028911 counting only the distinct ones).

The product of its digits is 250822656, while the sum is 65.

The spelling of 264763663868 in words is "two hundred sixty-four billion, seven hundred sixty-three million, six hundred sixty-three thousand, eight hundred sixty-eight".