887651916172 has 18 divisors (see below), whose sum is σ = 1807005686892. Its totient is φ = 380422249704.

The previous prime is 887651916103. The next prime is 887651916191. The reversal of 887651916172 is 271619156788.

887651916172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 887651916172.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2264417958 + ... + 2264418349.

Almost surely, 2^887651916172 is an apocalyptic number.

It is an amenable number.

887651916172 is an abundant number, since it is smaller than the sum of its proper divisors (919353770720).

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

887651916172 is a wasteful number, since it uses less digits than its factorization.

887651916172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528836325 (or 4528836316 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 61.

The spelling of 887651916172 in words is "eight hundred eighty-seven billion, six hundred fifty-one million, nine hundred sixteen thousand, one hundred seventy-two".