2779889683198 has 16 divisors (see below), whose sum is σ = 4255713751680. Its totient is φ = 1361550225816.

The previous prime is 2779889683189. The next prime is 2779889683199. The reversal of 2779889683198 is 8913869889772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2779889683199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57924186 + ... + 57972157.

It is an arithmetic number, because the mean of its divisors is an integer number (265982109480).

Almost surely, 2^{2779889683198} is an apocalyptic number.

2779889683198 is a deficient number, since it is larger than the sum of its proper divisors (1475824068482).

2779889683198 is a wasteful number, since it uses less digits than its factorization.

2779889683198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115896591.

The product of its digits is 5267275776, while the sum is 85.

The spelling of 2779889683198 in words is "two trillion, seven hundred seventy-nine billion, eight hundred eighty-nine million, six hundred eighty-three thousand, one hundred ninety-eight".