864052773792 has 384 divisors, whose sum is σ = 2579794624512. Its totient is φ = 251233382400.

The previous prime is 864052773781. The next prime is 864052773817. The reversal of 864052773792 is 297377250468.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 948465817 + ... + 948466727.

It is an arithmetic number, because the mean of its divisors is an integer number (6718215168).

Almost surely, 2^864052773792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 864052773792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1289897312256).

864052773792 is an abundant number, since it is smaller than the sum of its proper divisors (1715741850720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

864052773792 is a wasteful number, since it uses less digits than its factorization.

864052773792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324 (or 1316 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 60.

The spelling of 864052773792 in words is "eight hundred sixty-four billion, fifty-two million, seven hundred seventy-three thousand, seven hundred ninety-two".