87581222050 has 96 divisors (see below), whose sum is σ = 188213667840. Its totient is φ = 29699654400.

The previous prime is 87581222023. The next prime is 87581222111. The reversal of 87581222050 is 5022218578.

It is a junction number, because it is equal to n+sod(n) for n = 87581221994 and 87581222012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25825855 + ... + 25829245.

It is an arithmetic number, because the mean of its divisors is an integer number (1960559040).

Almost surely, 2^87581222050 is an apocalyptic number.

87581222050 is an abundant number, since it is smaller than the sum of its proper divisors (100632445790).

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

87581222050 is a wasteful number, since it uses less digits than its factorization.

87581222050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196 (or 4191 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 40.

The spelling of 87581222050 in words is "eighty-seven billion, five hundred eighty-one million, two hundred twenty-two thousand, fifty".