868755945 has 16 divisors (see below), whose sum is σ = 1393955712. Its totient is φ = 462021120.

The previous prime is 868755919. The next prime is 868755949. The reversal of 868755945 is 549557868.

868755945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 868755945 - 2¹⁰ = 868754921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (868755949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76741 + ... + 87330.

It is an arithmetic number, because the mean of its divisors is an integer number (87122232).

Almost surely, 2^868755945 is an apocalyptic number.

It is an amenable number.

868755945 is a deficient number, since it is larger than the sum of its proper divisors (525199767).

868755945 is a wasteful number, since it uses less digits than its factorization.

868755945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164432.

The product of its digits is 12096000, while the sum is 57.

The square root of 868755945 is about 29474.6661558702. Note that the first 3 decimals coincide. The cubic root of 868755945 is about 954.1850251379.

The spelling of 868755945 in words is "eight hundred sixty-eight million, seven hundred fifty-five thousand, nine hundred forty-five".