2098074784779 has 12 divisors (see below), whose sum is σ = 3030852563856. Its totient is φ = 1398578016912.

The previous prime is 2098074784769. The next prime is 2098074784801. The reversal of 2098074784779 is 9774874708902.

2098074784779 is a `hidden beast` number, since 2 + 0 + 9 + 80 + 7 + 4 + 78 + 477 + 9 = 666.

It is not a de Polignac number, because 2098074784779 - 2⁴ = 2098074784763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2098074784769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11446212 + ... + 11628065.

It is an arithmetic number, because the mean of its divisors is an integer number (252571046988).

Almost surely, 2^{2098074784779} is an apocalyptic number.

2098074784779 is a deficient number, since it is larger than the sum of its proper divisors (932777779077).

2098074784779 is a wasteful number, since it uses less digits than its factorization.

2098074784779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23084386 (or 23084383 counting only the distinct ones).

The product of its (nonzero) digits is 398297088, while the sum is 72.

The spelling of 2098074784779 in words is "two trillion, ninety-eight billion, seventy-four million, seven hundred eighty-four thousand, seven hundred seventy-nine".