866773287264 has 24 divisors (see below), whose sum is σ = 2275279879320. Its totient is φ = 288924429056.

The previous prime is 866773287253. The next prime is 866773287307. The reversal of 866773287264 is 462782377668.

866773287264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 866773287195 and 866773287204.

It is a congruent number.

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, 4514444109 + ... + 4514444300.

It is an arithmetic number, because the mean of its divisors is an integer number (94803328305).

Almost surely, 2^866773287264 is an apocalyptic number.

It is an amenable number.

866773287264 is an abundant number, since it is smaller than the sum of its proper divisors (1408506592056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

866773287264 is a wasteful number, since it uses less digits than its factorization.

866773287264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9028888422 (or 9028888414 counting only the distinct ones).

The product of its digits is 227598336, while the sum is 66.

The spelling of 866773287264 in words is "eight hundred sixty-six billion, seven hundred seventy-three million, two hundred eighty-seven thousand, two hundred sixty-four".