2788262258 has 8 divisors (see below), whose sum is σ = 4182656940. Its totient is φ = 1394043280.

The previous prime is 2788262249. The next prime is 2788262291. The reversal of 2788262258 is 8522628872.

It can be written as a sum of positive squares in 2 ways, for example, as 2738742889 + 49519369 = 52333^2 + 7037^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8048 + ... + 75108.

Almost surely, 2^2788262258 is an apocalyptic number.

2788262258 is a deficient number, since it is larger than the sum of its proper divisors (1394394682).

2788262258 is a wasteful number, since it uses less digits than its factorization.

2788262258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87852.

The product of its digits is 1720320, while the sum is 50.

The square root of 2788262258 is about 52803.9985039012. The cubic root of 2788262258 is about 1407.4874789796.

The spelling of 2788262258 in words is "two billion, seven hundred eighty-eight million, two hundred sixty-two thousand, two hundred fifty-eight".