887603861221 has 24 divisors (see below), whose sum is σ = 1163485072512. Its totient is φ = 661568080800.

The previous prime is 887603861201. The next prime is 887603861257. The reversal of 887603861221 is 122168306788.

It is not a de Polignac number, because 887603861221 - 2⁹ = 887603860709 is a prime.

It is a super-2 number, since 2×887603861221² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887603861201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22761790 + ... + 22800751.

It is an arithmetic number, because the mean of its divisors is an integer number (48478544688).

Almost surely, 2^887603861221 is an apocalyptic number.

It is an amenable number.

887603861221 is a deficient number, since it is larger than the sum of its proper divisors (275881211291).

887603861221 is a wasteful number, since it uses less digits than its factorization.

887603861221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45562593 (or 45562582 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 887603861221 in words is "eight hundred eighty-seven billion, six hundred three million, eight hundred sixty-one thousand, two hundred twenty-one".