945858797866 has 8 divisors (see below), whose sum is σ = 1419464138400. Its totient is φ = 472704085068.

The previous prime is 945858797861. The next prime is 945858797911. The reversal of 945858797866 is 668797858549.

945858797866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 945858797866.

It is not an unprimeable number, because it can be changed into a prime (945858797861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112651686 + ... + 112660081.

It is an arithmetic number, because the mean of its divisors is an integer number (177433017300).

Almost surely, 2^945858797866 is an apocalyptic number.

945858797866 is a deficient number, since it is larger than the sum of its proper divisors (473605340534).

945858797866 is a wasteful number, since it uses less digits than its factorization.

945858797866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225313868.

The product of its digits is 7315660800, while the sum is 82.

The spelling of 945858797866 in words is "nine hundred forty-five billion, eight hundred fifty-eight million, seven hundred ninety-seven thousand, eight hundred sixty-six".