887641051640 has 32 divisors (see below), whose sum is σ = 2282505562080. Its totient is φ = 304334074752.

The previous prime is 887641051637. The next prime is 887641051673. The reversal of 887641051640 is 46150146788.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1585073027 + ... + 1585073586.

It is an arithmetic number, because the mean of its divisors is an integer number (71328298815).

Almost surely, 2^887641051640 is an apocalyptic number.

It is an amenable number.

887641051640 is an abundant number, since it is smaller than the sum of its proper divisors (1394864510440).

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

887641051640 is a wasteful number, since it uses less digits than its factorization.

887641051640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170146631 (or 3170146627 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 887641051640 in words is "eight hundred eighty-seven billion, six hundred forty-one million, fifty-one thousand, six hundred forty".