8391886484 has 48 divisors (see below), whose sum is σ = 16027200000. Its totient is φ = 3829537152.

The previous prime is 8391886483. The next prime is 8391886487. The reversal of 8391886484 is 4846881938.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8391886483) 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, 1051742 + ... + 1059690.

It is an arithmetic number, because the mean of its divisors is an integer number (333900000).

Almost surely, 2^8391886484 is an apocalyptic number.

It is an amenable number.

8391886484 is a deficient number, since it is larger than the sum of its proper divisors (7635313516).

8391886484 is a wasteful number, since it uses less digits than its factorization.

8391886484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8480 (or 8478 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 59.

The square root of 8391886484 is about 91607.2403470381. The cubic root of 8391886484 is about 2032.1380148497.

The spelling of 8391886484 in words is "eight billion, three hundred ninety-one million, eight hundred eighty-six thousand, four hundred eighty-four".