864711755 has 8 divisors (see below), whose sum is σ = 1092267600. Its totient is φ = 655360416.

The previous prime is 864711751. The next prime is 864711767. The reversal of 864711755 is 557117468.

864711755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 864711755 - 2² = 864711751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (864711751) 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, 4551020 + ... + 4551209.

It is an arithmetic number, because the mean of its divisors is an integer number (136533450).

Almost surely, 2^864711755 is an apocalyptic number.

864711755 is a deficient number, since it is larger than the sum of its proper divisors (227555845).

864711755 is a wasteful number, since it uses less digits than its factorization.

864711755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9102253.

The product of its digits is 235200, while the sum is 44.

The square root of 864711755 is about 29405.9816193917. The cubic root of 864711755 is about 952.7020965807.

It can be divided in two parts, 8647 and 11755, that added together give a palindrome (20402).

The spelling of 864711755 in words is "eight hundred sixty-four million, seven hundred eleven thousand, seven hundred fifty-five".