8515484880 has 160 divisors (see below), whose sum is σ = 30984754944. Its totient is φ = 1893777408.

The previous prime is 8515484867. The next prime is 8515484903. The reversal of 8515484880 is 884845158.

It is a super-2 number, since 2×8515484880² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6337 + ... + 130656.

Almost surely, 2^8515484880 is an apocalyptic number.

8515484880 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 8515484880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15492377472).

8515484880 is an abundant number, since it is smaller than the sum of its proper divisors (22469270064).

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

8515484880 is a wasteful number, since it uses less digits than its factorization.

8515484880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137053 (or 137047 counting only the distinct ones).

The product of its (nonzero) digits is 1638400, while the sum is 51.

The square root of 8515484880 is about 92279.3849134247. The cubic root of 8515484880 is about 2042.0660920890.

The spelling of 8515484880 in words is "eight billion, five hundred fifteen million, four hundred eighty-four thousand, eight hundred eighty".