868384753 has 4 divisors (see below), whose sum is σ = 871763940. Its totient is φ = 865005568.

The previous prime is 868384739. The next prime is 868384793. The reversal of 868384753 is 357483868.

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

It can be written as a sum of positive squares in 2 ways, for example, as 568679409 + 299705344 = 23847^2 + 17312^2 .

It is a cyclic number.

It is not a de Polignac number, because 868384753 - 2⁹ = 868384241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 868384753.

It is not an unprimeable number, because it can be changed into a prime (868384703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1689208 + ... + 1689721.

It is an arithmetic number, because the mean of its divisors is an integer number (217940985).

Almost surely, 2^868384753 is an apocalyptic number.

It is an amenable number.

868384753 is a deficient number, since it is larger than the sum of its proper divisors (3379187).

868384753 is a wasteful number, since it uses less digits than its factorization.

868384753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379186.

The product of its digits is 3870720, while the sum is 52.

The square root of 868384753 is about 29468.3686857620. The cubic root of 868384753 is about 954.0491080616.

The spelling of 868384753 in words is "eight hundred sixty-eight million, three hundred eighty-four thousand, seven hundred fifty-three".