887896966864 has 20 divisors (see below), whose sum is σ = 1720315388800. Its totient is φ = 443944608480.

The previous prime is 887896966849. The next prime is 887896966937. The reversal of 887896966864 is 468669698788.

It is a super-2 number, since 2×887896966864² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2826337 + ... + 3124735.

It is an arithmetic number, because the mean of its divisors is an integer number (86015769440).

Almost surely, 2^887896966864 is an apocalyptic number.

It is an amenable number.

887896966864 is a deficient number, since it is larger than the sum of its proper divisors (832418421936).

887896966864 is a wasteful number, since it uses less digits than its factorization.

887896966864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484378 (or 484372 counting only the distinct ones).

The product of its digits is 12039487488, while the sum is 85.

The spelling of 887896966864 in words is "eight hundred eighty-seven billion, eight hundred ninety-six million, nine hundred sixty-six thousand, eight hundred sixty-four".