8221887151880 has 64 divisors (see below), whose sum is σ = 18676778135040. Its totient is φ = 3257208893952.

The previous prime is 8221887151873. The next prime is 8221887151931. The reversal of 8221887151880 is 881517881228.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17127209 + ... + 17600711.

It is an arithmetic number, because the mean of its divisors is an integer number (291824658360).

Almost surely, 2^{8221887151880} is an apocalyptic number.

It is an amenable number.

8221887151880 is an abundant number, since it is smaller than the sum of its proper divisors (10454890983160).

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

8221887151880 is a wasteful number, since it uses less digits than its factorization.

8221887151880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477678 (or 477674 counting only the distinct ones).

The product of its (nonzero) digits is 4587520, while the sum is 59.

The spelling of 8221887151880 in words is "eight trillion, two hundred twenty-one billion, eight hundred eighty-seven million, one hundred fifty-one thousand, eight hundred eighty".