2775559090 has 8 divisors (see below), whose sum is σ = 4996006380. Its totient is φ = 1110223632.

The previous prime is 2775559079. The next prime is 2775559097. The reversal of 2775559090 is 909555772.

It can be written as a sum of positive squares in 2 ways, for example, as 2750268249 + 25290841 = 52443^2 + 5029^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2775559097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138777945 + ... + 138777964.

Almost surely, 2^2775559090 is an apocalyptic number.

2775559090 is a deficient number, since it is larger than the sum of its proper divisors (2220447290).

2775559090 is a wasteful number, since it uses less digits than its factorization.

2775559090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277555916.

The product of its (nonzero) digits is 992250, while the sum is 49.

The square root of 2775559090 is about 52683.5751444414. The cubic root of 2775559090 is about 1405.3467463982.

The spelling of 2775559090 in words is "two billion, seven hundred seventy-five million, five hundred fifty-nine thousand, ninety".