2788851647 has 2 divisors, whose sum is σ = 2788851648. Its totient is φ = 2788851646.

The previous prime is 2788851553. The next prime is 2788851661. The reversal of 2788851647 is 7461588872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2788851647 - 2²⁰ = 2787803071 is a prime.

It is a super-2 number, since 2×2788851647² = 15555387017949225218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2788851592 and 2788851601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2788851677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1394425823 + 1394425824.

It is an arithmetic number, because the mean of its divisors is an integer number (1394425824).

Almost surely, 2^2788851647 is an apocalyptic number.

2788851647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2788851647 is an equidigital number, since it uses as much as digits as its factorization.

2788851647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6021120, while the sum is 56.

The square root of 2788851647 is about 52809.5791215950. The cubic root of 2788851647 is about 1407.5866445909.

The spelling of 2788851647 in words is "two billion, seven hundred eighty-eight million, eight hundred fifty-one thousand, six hundred forty-seven".