2788251847 has 2 divisors, whose sum is σ = 2788251848. Its totient is φ = 2788251846.

The previous prime is 2788251803. The next prime is 2788251857. The reversal of 2788251847 is 7481528872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2788251847 - 2¹¹ = 2788249799 is a prime.

It is a super-2 number, since 2×2788251847² = 15548696724597822818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2788251794 and 2788251803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2788251857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1394125923 + 1394125924.

It is an arithmetic number, because the mean of its divisors is an integer number (1394125924).

Almost surely, 2^2788251847 is an apocalyptic number.

2788251847 is a deficient number, since it is larger than the sum of its proper divisors (1).

2788251847 is an equidigital number, since it uses as much as digits as its factorization.

2788251847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2007040, while the sum is 52.

The square root of 2788251847 is about 52803.8999222595. The cubic root of 2788251847 is about 1407.4857271872.

The spelling of 2788251847 in words is "two billion, seven hundred eighty-eight million, two hundred fifty-one thousand, eight hundred forty-seven".