2788828117 has 2 divisors, whose sum is σ = 2788828118. Its totient is φ = 2788828116.

The previous prime is 2788828079. The next prime is 2788828127. The reversal of 2788828117 is 7118288872.

2788828117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2788790481 + 37636 = 52809^2 + 194^2 .

It is a cyclic number.

It is not a de Polignac number, because 2788828117 - 2²³ = 2780439509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2788828127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1394414058 + 1394414059.

It is an arithmetic number, because the mean of its divisors is an integer number (1394414059).

Almost surely, 2^2788828117 is an apocalyptic number.

It is an amenable number.

2788828117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2788828117 is an equidigital number, since it uses as much as digits as its factorization.

2788828117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 802816, while the sum is 52.

The square root of 2788828117 is about 52809.3563395730. The cubic root of 2788828117 is about 1407.5826858997.

The spelling of 2788828117 in words is "two billion, seven hundred eighty-eight million, eight hundred twenty-eight thousand, one hundred seventeen".