2779204668 has 12 divisors (see below), whose sum is σ = 6484810920. Its totient is φ = 926401552.

The previous prime is 2779204667. The next prime is 2779204669. The reversal of 2779204668 is 8664029772.

2779204668 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2779204667) and next prime (2779204669).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2779204668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2779204663) 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, 115800183 + ... + 115800206.

It is an arithmetic number, because the mean of its divisors is an integer number (540400910).

Almost surely, 2^2779204668 is an apocalyptic number.

It is an amenable number.

2779204668 is an abundant number, since it is smaller than the sum of its proper divisors (3705606252).

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

2779204668 is a wasteful number, since it uses less digits than its factorization.

2779204668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231600396 (or 231600394 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The square root of 2779204668 is about 52718.1626007584. The cubic root of 2779204668 is about 1405.9617647988.

The spelling of 2779204668 in words is "two billion, seven hundred seventy-nine million, two hundred four thousand, six hundred sixty-eight".