887141721 has 8 divisors (see below), whose sum is σ = 1189464480. Its totient is φ = 588123392.

The previous prime is 887141713. The next prime is 887141737. The reversal of 887141721 is 127141788.

887141721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 887141721 - 2³ = 887141713 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 887141721.

It is not an unprimeable number, because it can be changed into a prime (887141701) 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, 825480 + ... + 826553.

It is an arithmetic number, because the mean of its divisors is an integer number (148683060).

Almost surely, 2^887141721 is an apocalyptic number.

It is an amenable number.

887141721 is a deficient number, since it is larger than the sum of its proper divisors (302322759).

887141721 is a wasteful number, since it uses less digits than its factorization.

887141721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652215.

The product of its digits is 25088, while the sum is 39.

The square root of 887141721 is about 29784.9243913763. The cubic root of 887141721 is about 960.8693373085.

The spelling of 887141721 in words is "eight hundred eighty-seven million, one hundred forty-one thousand, seven hundred twenty-one".