876541321 has 4 divisors (see below), whose sum is σ = 876726144. Its totient is φ = 876356500.

The previous prime is 876541319. The next prime is 876541361. The reversal of 876541321 is 123145678.

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, and also an emirpimes, since its reverse is a distinct semiprime: 123145678 = 2 ⋅61572839.

It is a cyclic number.

It is not a de Polignac number, because 876541321 - 2¹ = 876541319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (876541361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85105 + ... + 94846.

It is an arithmetic number, because the mean of its divisors is an integer number (219181536).

Almost surely, 2^876541321 is an apocalyptic number.

It is an amenable number.

876541321 is a deficient number, since it is larger than the sum of its proper divisors (184823).

876541321 is a wasteful number, since it uses less digits than its factorization.

876541321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184822.

The product of its digits is 40320, while the sum is 37.

The square root of 876541321 is about 29606.4405324247. The cubic root of 876541321 is about 957.0268697595.

Adding to 876541321 its reverse (123145678), we get a palindrome (999686999).

It can be divided in two parts, 8765 and 41321, that added together give a triangular number (50086 = T₃₁₆).

The spelling of 876541321 in words is "eight hundred seventy-six million, five hundred forty-one thousand, three hundred twenty-one".