887968720887 has 8 divisors (see below), whose sum is σ = 1184672820336. Its totient is φ = 591621884352.

The previous prime is 887968720879. The next prime is 887968720909. The reversal of 887968720887 is 788027869788.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 887968720887 - 2³ = 887968720879 is a prime.

It is a Smith number, since the sum of its digits (78) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887968720087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89309928 + ... + 89319869.

It is an arithmetic number, because the mean of its divisors is an integer number (148084102542).

Almost surely, 2^887968720887 is an apocalyptic number.

887968720887 is a deficient number, since it is larger than the sum of its proper divisors (296704099449).

887968720887 is a wasteful number, since it uses less digits than its factorization.

887968720887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178631457.

The product of its (nonzero) digits is 1213857792, while the sum is 78.

The spelling of 887968720887 in words is "eight hundred eighty-seven billion, nine hundred sixty-eight million, seven hundred twenty thousand, eight hundred eighty-seven".