886363573921 has 6 divisors (see below), whose sum is σ = 1031075994210. Its totient is φ = 759740206176.

The previous prime is 886363573919. The next prime is 886363573951. The reversal of 886363573921 is 129375363688.

It can be written as a sum of positive squares in only one way, i.e., 884907083025 + 1456490896 = 940695^2 + 38164^2 .

It is not a de Polignac number, because 886363573921 - 2¹ = 886363573919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 886363573921.

It is not an unprimeable number, because it can be changed into a prime (886363573951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9044526216 + ... + 9044526313.

It is an arithmetic number, because the mean of its divisors is an integer number (171845999035).

Almost surely, 2^886363573921 is an apocalyptic number.

It is an amenable number.

886363573921 is a deficient number, since it is larger than the sum of its proper divisors (144712420289).

886363573921 is a wasteful number, since it uses less digits than its factorization.

886363573921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18089052543 (or 18089052536 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 61.

The spelling of 886363573921 in words is "eight hundred eighty-six billion, three hundred sixty-three million, five hundred seventy-three thousand, nine hundred twenty-one".