2777775245 has 16 divisors (see below), whose sum is σ = 3863179008. Its totient is φ = 1877930880.

The previous prime is 2777775241. The next prime is 2777775257. The reversal of 2777775245 is 5425777772.

It is a happy number.

2777775245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2777775245 - 2² = 2777775241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2777775241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556424 + ... + 561393.

It is an arithmetic number, because the mean of its divisors is an integer number (241448688).

Almost surely, 2^2777775245 is an apocalyptic number.

It is an amenable number.

2777775245 is a deficient number, since it is larger than the sum of its proper divisors (1085403763).

2777775245 is a wasteful number, since it uses less digits than its factorization.

2777775245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117900.

The product of its digits is 6722800, while the sum is 53.

The square root of 2777775245 is about 52704.6036414278. The cubic root of 2777775245 is about 1405.7206815906.

The spelling of 2777775245 in words is "two billion, seven hundred seventy-seven million, seven hundred seventy-five thousand, two hundred forty-five".