2788251803 has 2 divisors, whose sum is σ = 2788251804. Its totient is φ = 2788251802.

The previous prime is 2788251779. The next prime is 2788251847. The reversal of 2788251803 is 3081528872.

It is an a-pointer prime, because the next prime (2788251847) can be obtained adding 2788251803 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2788251803 is a prime.

It is not a weakly prime, because it can be changed into another prime (2788254803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1394125901 + 1394125902.

It is an arithmetic number, because the mean of its divisors is an integer number (1394125902).

Almost surely, 2^2788251803 is an apocalyptic number.

2788251803 is a deficient number, since it is larger than the sum of its proper divisors (1).

2788251803 is an equidigital number, since it uses as much as digits as its factorization.

2788251803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 2788251803 is about 52803.8995056236. The cubic root of 2788251803 is about 1407.4857197836.

The spelling of 2788251803 in words is "two billion, seven hundred eighty-eight million, two hundred fifty-one thousand, eight hundred three".