9878599004 has 24 divisors (see below), whose sum is σ = 17852854656. Its totient is φ = 4777920000.

The previous prime is 9878598953. The next prime is 9878599009. The reversal of 9878599004 is 4009958789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9878599009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296804 + ... + 328404.

It is an arithmetic number, because the mean of its divisors is an integer number (743868944).

Almost surely, 2^9878599004 is an apocalyptic number.

It is an amenable number.

9878599004 is a deficient number, since it is larger than the sum of its proper divisors (7974255652).

9878599004 is a wasteful number, since it uses less digits than its factorization.

9878599004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34157 (or 34155 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 59.

The square root of 9878599004 is about 99391.1414764918. The cubic root of 9878599004 is about 2145.6808190181.

The spelling of 9878599004 in words is "nine billion, eight hundred seventy-eight million, five hundred ninety-nine thousand, four".