3099878912 has 80 divisors (see below), whose sum is σ = 6960492000. Its totient is φ = 1368440832.

The previous prime is 3099878911. The next prime is 3099878927. The reversal of 3099878912 is 2198789903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3099878911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142964 + ... + 163212.

It is an arithmetic number, because the mean of its divisors is an integer number (87006150).

Almost surely, 2^3099878912 is an apocalyptic number.

3099878912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3099878912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3480246000).

3099878912 is an abundant number, since it is smaller than the sum of its proper divisors (3860613088).

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

3099878912 is a wasteful number, since it uses less digits than its factorization.

3099878912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20303 (or 20287 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 56.

The square root of 3099878912 is about 55676.5562153408. The cubic root of 3099878912 is about 1458.0807508074.

The spelling of 3099878912 in words is "three billion, ninety-nine million, eight hundred seventy-eight thousand, nine hundred twelve".