2779319398 has 8 divisors (see below), whose sum is σ = 4270661640. Its totient is φ = 1355765520.

The previous prime is 2779319383. The next prime is 2779319399. The reversal of 2779319398 is 8939139772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2779319399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16946988 + ... + 16947151.

It is an arithmetic number, because the mean of its divisors is an integer number (533832705).

Almost surely, 2^2779319398 is an apocalyptic number.

2779319398 is a deficient number, since it is larger than the sum of its proper divisors (1491342242).

2779319398 is a wasteful number, since it uses less digits than its factorization.

2779319398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33894182.

The product of its digits is 5143824, while the sum is 58.

The square root of 2779319398 is about 52719.2507344329. The cubic root of 2779319398 is about 1405.9811113138.

The spelling of 2779319398 in words is "two billion, seven hundred seventy-nine million, three hundred nineteen thousand, three hundred ninety-eight".