876859872 has 96 divisors (see below), whose sum is σ = 2673828864. Its totient is φ = 246412800.

The previous prime is 876859853. The next prime is 876859901. The reversal of 876859872 is 278958678.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30297 + ... + 51687.

It is an arithmetic number, because the mean of its divisors is an integer number (27852384).

Almost surely, 2^876859872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 876859872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1336914432).

876859872 is an abundant number, since it is smaller than the sum of its proper divisors (1796968992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

876859872 is a wasteful number, since it uses less digits than its factorization.

876859872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21472 (or 21464 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 60.

The square root of 876859872 is about 29611.8198022344. The cubic root of 876859872 is about 957.1427893539.

The spelling of 876859872 in words is "eight hundred seventy-six million, eight hundred fifty-nine thousand, eight hundred seventy-two".