2979939798 has 48 divisors (see below), whose sum is σ = 7052438016. Its totient is φ = 901865520.

The previous prime is 2979939779. The next prime is 2979939839. The reversal of 2979939798 is 8979399792.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153811 + ... + 172097.

It is an arithmetic number, because the mean of its divisors is an integer number (146925792).

Almost surely, 2^2979939798 is an apocalyptic number.

2979939798 is an abundant number, since it is smaller than the sum of its proper divisors (4072498218).

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

2979939798 is a wasteful number, since it uses less digits than its factorization.

2979939798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19129 (or 19126 counting only the distinct ones).

The product of its digits is 138883248, while the sum is 72.

The square root of 2979939798 is about 54588.8248453839. The cubic root of 2979939798 is about 1439.0277319961.

The spelling of 2979939798 in words is "two billion, nine hundred seventy-nine million, nine hundred thirty-nine thousand, seven hundred ninety-eight".