866760745 has 16 divisors (see below), whose sum is σ = 1055381760. Its totient is φ = 683265024.

The previous prime is 866760703. The next prime is 866760757. The reversal of 866760745 is 547067668.

866760745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-866760745 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226014 + ... + 229816.

It is an arithmetic number, because the mean of its divisors is an integer number (65961360).

Almost surely, 2^866760745 is an apocalyptic number.

It is an amenable number.

866760745 is a deficient number, since it is larger than the sum of its proper divisors (188621015).

866760745 is a wasteful number, since it uses less digits than its factorization.

866760745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The square root of 866760745 is about 29440.8006854433. The cubic root of 866760745 is about 953.4539992530.

The spelling of 866760745 in words is "eight hundred sixty-six million, seven hundred sixty thousand, seven hundred forty-five".