887654321 has 4 divisors (see below), whose sum is σ = 887757552. Its totient is φ = 887551092.

The previous prime is 887654263. The next prime is 887654329. The reversal of 887654321 is 123456788.

887654321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 887654321 - 2¹⁰ = 887653297 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (887654329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37415 + ... + 56348.

It is an arithmetic number, because the mean of its divisors is an integer number (221939388).

Almost surely, 2^887654321 is an apocalyptic number.

It is an amenable number.

887654321 is a deficient number, since it is larger than the sum of its proper divisors (103231).

887654321 is an equidigital number, since it uses as much as digits as its factorization.

887654321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103230.

The product of its digits is 322560, while the sum is 44.

The square root of 887654321 is about 29793.5281730781. The cubic root of 887654321 is about 961.0543685445.

The spelling of 887654321 in words is "eight hundred eighty-seven million, six hundred fifty-four thousand, three hundred twenty-one".