8147478960 has 140 divisors (see below), whose sum is σ = 28401543792. Its totient is φ = 2172645504.

The previous prime is 8147478929. The next prime is 8147478961. The reversal of 8147478960 is 698747418.

It is a happy number.

8147478960 is a `hidden beast` number, since 81 + 4 + 7 + 478 + 96 + 0 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 8147478897 and 8147478906.

It is not an unprimeable number, because it can be changed into a prime (8147478961) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 11532 + ... + 128171.

Almost surely, 2^8147478960 is an apocalyptic number.

8147478960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8147478960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14200771896).

8147478960 is an abundant number, since it is smaller than the sum of its proper divisors (20254064832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8147478960 is a wasteful number, since it uses less digits than its factorization.

8147478960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139734 (or 139713 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The square root of 8147478960 is about 90263.3865972245. The cubic root of 8147478960 is about 2012.2151564248.

The spelling of 8147478960 in words is "eight billion, one hundred forty-seven million, four hundred seventy-eight thousand, nine hundred sixty".