2277788349 has 4 divisors (see below), whose sum is σ = 3037051136. Its totient is φ = 1518525564.

The previous prime is 2277788329. The next prime is 2277788377. The reversal of 2277788349 is 9438877722.

2277788349 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 a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2277788349 - 2¹³ = 2277780157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2277788309) 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, 379631389 + ... + 379631394.

It is an arithmetic number, because the mean of its divisors is an integer number (759262784).

Almost surely, 2^2277788349 is an apocalyptic number.

It is an amenable number.

2277788349 is a deficient number, since it is larger than the sum of its proper divisors (759262787).

2277788349 is an equidigital number, since it uses as much as digits as its factorization.

2277788349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759262786.

The product of its digits is 9483264, while the sum is 57.

The square root of 2277788349 is about 47726.1809597206. The cubic root of 2277788349 is about 1315.7431642871.

The spelling of 2277788349 in words is "two billion, two hundred seventy-seven million, seven hundred eighty-eight thousand, three hundred forty-nine".