863874870913 has 16 divisors (see below), whose sum is σ = 881846735616. Its totient is φ = 846077606080.

The previous prime is 863874870877. The next prime is 863874870917. The reversal of 863874870913 is 319078478368.

It is a cyclic number.

It is not a de Polignac number, because 863874870913 - 2⁹ = 863874870401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (863874870917) 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, 9086220 + ... + 9180802.

It is an arithmetic number, because the mean of its divisors is an integer number (55115420976).

Almost surely, 2^863874870913 is an apocalyptic number.

It is an amenable number.

863874870913 is a deficient number, since it is larger than the sum of its proper divisors (17971864703).

863874870913 is a wasteful number, since it uses less digits than its factorization.

863874870913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95504.

The product of its (nonzero) digits is 48771072, while the sum is 64.

The spelling of 863874870913 in words is "eight hundred sixty-three billion, eight hundred seventy-four million, eight hundred seventy thousand, nine hundred thirteen".