876859947 has 24 divisors (see below), whose sum is σ = 1304409600. Its totient is φ = 567363888.

The previous prime is 876859903. The next prime is 876859957. The reversal of 876859947 is 749958678.

It is not a de Polignac number, because 876859947 - 2¹⁴ = 876843563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (876859957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31498 + ... + 52400.

It is an arithmetic number, because the mean of its divisors is an integer number (54350400).

Almost surely, 2^876859947 is an apocalyptic number.

876859947 is a deficient number, since it is larger than the sum of its proper divisors (427549653).

876859947 is a wasteful number, since it uses less digits than its factorization.

876859947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21047 (or 21044 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The square root of 876859947 is about 29611.8210686206. The cubic root of 876859947 is about 957.1428166428.

The spelling of 876859947 in words is "eight hundred seventy-six million, eight hundred fifty-nine thousand, nine hundred forty-seven".