2000817798 has 16 divisors (see below), whose sum is σ = 4573297920. Its totient is φ = 571662216.

The previous prime is 2000817773. The next prime is 2000817803. The reversal of 2000817798 is 8977180002.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 47638519 = 2000817798 / (2 + 0 + 0 + 0 + 8 + 1 + 7 + 7 + 9 + 8).

It is a Curzon number.

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, 23819218 + ... + 23819301.

It is an arithmetic number, because the mean of its divisors is an integer number (285831120).

Almost surely, 2^2000817798 is an apocalyptic number.

2000817798 is an abundant number, since it is smaller than the sum of its proper divisors (2572480122).

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

2000817798 is a wasteful number, since it uses less digits than its factorization.

2000817798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47638531.

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 2000817798 is about 44730.5018751187. The cubic root of 2000817798 is about 1260.0927533130.

The spelling of 2000817798 in words is "two billion, eight hundred seventeen thousand, seven hundred ninety-eight".