864759941 has 4 divisors (see below), whose sum is σ = 866280300. Its totient is φ = 863239584.

The previous prime is 864759913. The next prime is 864759953. The reversal of 864759941 is 149957468.

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 553237441 + 311522500 = 23521^2 + 17650^2 .

It is a cyclic number.

It is not a de Polignac number, because 864759941 - 2¹⁴ = 864743557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864759041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759326 + ... + 760463.

It is an arithmetic number, because the mean of its divisors is an integer number (216570075).

Almost surely, 2^864759941 is an apocalyptic number.

It is an amenable number.

864759941 is a deficient number, since it is larger than the sum of its proper divisors (1520359).

864759941 is a wasteful number, since it uses less digits than its factorization.

864759941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520358.

The product of its digits is 2177280, while the sum is 53.

The square root of 864759941 is about 29406.8009310772. The cubic root of 864759941 is about 952.7197926705.

The spelling of 864759941 in words is "eight hundred sixty-four million, seven hundred fifty-nine thousand, nine hundred forty-one".