10808778287 has 2 divisors, whose sum is σ = 10808778288. Its totient is φ = 10808778286.

The previous prime is 10808778269. The next prime is 10808778317. The reversal of 10808778287 is 78287780801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10808778287 - 2¹⁸ = 10808516143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10808778187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5404389143 + 5404389144.

It is an arithmetic number, because the mean of its divisors is an integer number (5404389144).

Almost surely, 2^10808778287 is an apocalyptic number.

10808778287 is a deficient number, since it is larger than the sum of its proper divisors (1).

10808778287 is an equidigital number, since it uses as much as digits as its factorization.

10808778287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2809856, while the sum is 56.

The spelling of 10808778287 in words is "ten billion, eight hundred eight million, seven hundred seventy-eight thousand, two hundred eighty-seven".