864732648975 has 144 divisors (see below), whose sum is σ = 1587815123328. Its totient is φ = 412793832960.

The previous prime is 864732648973. The next prime is 864732648991. The reversal of 864732648975 is 579846237468.

It is not a de Polignac number, because 864732648975 - 2¹ = 864732648973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864732648973) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 463165992 + ... + 463167858.

It is an arithmetic number, because the mean of its divisors is an integer number (11026493912).

Almost surely, 2^864732648975 is an apocalyptic number.

864732648975 is a deficient number, since it is larger than the sum of its proper divisors (723082474353).

864732648975 is a wasteful number, since it uses less digits than its factorization.

864732648975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314 (or 2272 counting only the distinct ones).

The product of its digits is 487710720, while the sum is 69.

The spelling of 864732648975 in words is "eight hundred sixty-four billion, seven hundred thirty-two million, six hundred forty-eight thousand, nine hundred seventy-five".