2788637042 has 8 divisors (see below), whose sum is σ = 4327195500. Its totient is φ = 1346238544.

The previous prime is 2788637009. The next prime is 2788637051. The reversal of 2788637042 is 2407368872.

It can be written as a sum of positive squares in 2 ways, for example, as 2497900441 + 290736601 = 49979^2 + 17051^2 .

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24039917 + ... + 24040032.

Almost surely, 2^2788637042 is an apocalyptic number.

2788637042 is a deficient number, since it is larger than the sum of its proper divisors (1538558458).

2788637042 is a wasteful number, since it uses less digits than its factorization.

2788637042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48079980.

The product of its (nonzero) digits is 903168, while the sum is 47.

The square root of 2788637042 is about 52807.5472068151. The cubic root of 2788637042 is about 1407.5505385852.

The spelling of 2788637042 in words is "two billion, seven hundred eighty-eight million, six hundred thirty-seven thousand, forty-two".