8519809472 has 56 divisors (see below), whose sum is σ = 17453402736. Its totient is φ = 4123865088.

The previous prime is 8519809469. The next prime is 8519809483. The reversal of 8519809472 is 2749089158.

It is a super-3 number, since 3×8519809472³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297278 + ... + 324674.

It is an arithmetic number, because the mean of its divisors is an integer number (311667906).

Almost surely, 2^8519809472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8519809472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8726701368).

8519809472 is an abundant number, since it is smaller than the sum of its proper divisors (8933593264).

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

8519809472 is a wasteful number, since it uses less digits than its factorization.

8519809472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27565 (or 27555 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 53.

The square root of 8519809472 is about 92302.8139982742. The cubic root of 8519809472 is about 2042.4117215813.

The spelling of 8519809472 in words is "eight billion, five hundred nineteen million, eight hundred nine thousand, four hundred seventy-two".