755956865 has 4 divisors (see below), whose sum is σ = 907148244. Its totient is φ = 604765488.

The previous prime is 755956849. The next prime is 755956897. The reversal of 755956865 is 568659557.

755956865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 202578289 + 553378576 = 14233^2 + 23524^2 .

It is a cyclic number.

It is not a de Polignac number, because 755956865 - 2⁴ = 755956849 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 755956865.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75595682 + ... + 75595691.

It is an arithmetic number, because the mean of its divisors is an integer number (226787061).

Almost surely, 2^755956865 is an apocalyptic number.

It is an amenable number.

755956865 is a deficient number, since it is larger than the sum of its proper divisors (151191379).

755956865 is a wasteful number, since it uses less digits than its factorization.

755956865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151191378.

The product of its digits is 11340000, while the sum is 56.

The square root of 755956865 is about 27494.6697561546. The cubic root of 755956865 is about 910.9593654044.

The spelling of 755956865 in words is "seven hundred fifty-five million, nine hundred fifty-six thousand, eight hundred sixty-five".