887641051641 has 64 divisors (see below), whose sum is σ = 1282517729280. Its totient is φ = 544981582080.

The previous prime is 887641051637. The next prime is 887641051673. The reversal of 887641051641 is 146150146788.

It is not a de Polignac number, because 887641051641 - 2² = 887641051637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (887641051601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29071515 + ... + 29102031.

It is an arithmetic number, because the mean of its divisors is an integer number (20039339520).

Almost surely, 2^887641051641 is an apocalyptic number.

It is an amenable number.

887641051641 is a deficient number, since it is larger than the sum of its proper divisors (394876677639).

887641051641 is a wasteful number, since it uses less digits than its factorization.

887641051641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30774.

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 887641051641 in words is "eight hundred eighty-seven billion, six hundred forty-one million, fifty-one thousand, six hundred forty-one".