864784493277 has 16 divisors (see below), whose sum is σ = 1155432480768. Its totient is φ = 575330969840.

The previous prime is 864784493273. The next prime is 864784493299. The reversal of 864784493277 is 772394487468.

864784493277 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 not a de Polignac number, because 864784493277 - 2² = 864784493273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864784493273) 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, 2704252 + ... + 3007082.

It is an arithmetic number, because the mean of its divisors is an integer number (72214530048).

Almost surely, 2^864784493277 is an apocalyptic number.

It is an amenable number.

864784493277 is a deficient number, since it is larger than the sum of its proper divisors (290647987491).

864784493277 is a wasteful number, since it uses less digits than its factorization.

864784493277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304800.

The product of its digits is 455196672, while the sum is 69.

The spelling of 864784493277 in words is "eight hundred sixty-four billion, seven hundred eighty-four million, four hundred ninety-three thousand, two hundred seventy-seven".