2779218098 has 8 divisors (see below), whose sum is σ = 4183056108. Its totient is φ = 1384866064.

The previous prime is 2779218077. The next prime is 2779218109. The reversal of 2779218098 is 8908129772.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1783626289 + 995591809 = 42233^2 + 31553^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2370761 + ... + 2371932.

Almost surely, 2^2779218098 is an apocalyptic number.

2779218098 is a deficient number, since it is larger than the sum of its proper divisors (1403838010).

2779218098 is a wasteful number, since it uses less digits than its factorization.

2779218098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742988.

The product of its (nonzero) digits is 1016064, while the sum is 53.

The square root of 2779218098 is about 52718.2899760605. The cubic root of 2779218098 is about 1405.9640294798.

The spelling of 2779218098 in words is "two billion, seven hundred seventy-nine million, two hundred eighteen thousand, ninety-eight".