8287478872 has 16 divisors (see below), whose sum is σ = 15548425560. Its totient is φ = 4141232064.

The previous prime is 8287478867. The next prime is 8287478879. The reversal of 8287478872 is 2788747828.

It is a self number, because there is not a number n which added to its sum of digits gives 8287478872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8287478879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299338 + ... + 325849.

Almost surely, 2^8287478872 is an apocalyptic number.

It is an amenable number.

8287478872 is a deficient number, since it is larger than the sum of its proper divisors (7260946688).

8287478872 is a wasteful number, since it uses less digits than its factorization.

8287478872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626850 (or 626846 counting only the distinct ones).

The product of its digits is 22478848, while the sum is 61.

The square root of 8287478872 is about 91035.5912377132. The cubic root of 8287478872 is about 2023.6752090448.

The spelling of 8287478872 in words is "eight billion, two hundred eighty-seven million, four hundred seventy-eight thousand, eight hundred seventy-two".