876534021 has 32 divisors (see below), whose sum is σ = 1462333440. Its totient is φ = 514090800.

The previous prime is 876534013. The next prime is 876534023. The reversal of 876534021 is 120435678.

876534021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 876534021 - 2³ = 876534013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (876534023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38395 + ... + 56808.

It is an arithmetic number, because the mean of its divisors is an integer number (45697920).

Almost surely, 2^876534021 is an apocalyptic number.

It is an amenable number.

876534021 is a deficient number, since it is larger than the sum of its proper divisors (585799419).

876534021 is a wasteful number, since it uses less digits than its factorization.

876534021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95254 (or 95248 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 876534021 is about 29606.3172481820. The cubic root of 876534021 is about 957.0242129859.

Adding to 876534021 its reverse (120435678), we get a palindrome (996969699).

The spelling of 876534021 in words is "eight hundred seventy-six million, five hundred thirty-four thousand, twenty-one".