8487816825220 has 48 divisors (see below), whose sum is σ = 19693471690368. Its totient is φ = 3056482373120.

The previous prime is 8487816825217. The next prime is 8487816825223. The reversal of 8487816825220 is 225286187848.

It is an interprime number because it is at equal distance from previous prime (8487816825217) and next prime (8487816825223).

It is not an unprimeable number, because it can be changed into a prime (8487816825223) 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, 542691466 + ... + 542707105.

It is an arithmetic number, because the mean of its divisors is an integer number (410280660216).

Almost surely, 2^{8487816825220} is an apocalyptic number.

It is an amenable number.

8487816825220 is an abundant number, since it is smaller than the sum of its proper divisors (11205654865148).

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

8487816825220 is a wasteful number, since it uses less digits than its factorization.

8487816825220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085398620 (or 1085398618 counting only the distinct ones).

The product of its (nonzero) digits is 27525120, while the sum is 61.

The spelling of 8487816825220 in words is "eight trillion, four hundred eighty-seven billion, eight hundred sixteen million, eight hundred twenty-five thousand, two hundred twenty".