9878476852 has 24 divisors (see below), whose sum is σ = 17550529920. Its totient is φ = 4864583520.

The previous prime is 9878476847. The next prime is 9878476897. The reversal of 9878476852 is 2586748789.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4977 + ... + 140647.

It is an arithmetic number, because the mean of its divisors is an integer number (731272080).

Almost surely, 2^9878476852 is an apocalyptic number.

It is an amenable number.

9878476852 is a deficient number, since it is larger than the sum of its proper divisors (7672053068).

9878476852 is a wasteful number, since it uses less digits than its factorization.

9878476852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135951 (or 135949 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 64.

The square root of 9878476852 is about 99390.5269731477. The cubic root of 9878476852 is about 2145.6719749744.

The spelling of 9878476852 in words is "nine billion, eight hundred seventy-eight million, four hundred seventy-six thousand, eight hundred fifty-two".