9775722338287 has 2 divisors, whose sum is σ = 9775722338288. Its totient is φ = 9775722338286.

The previous prime is 9775722338281. The next prime is 9775722338321. The reversal of 9775722338287 is 7828332275779.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9775722338287 - 2⁷ = 9775722338159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9775722338281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4887861169143 + 4887861169144.

It is an arithmetic number, because the mean of its divisors is an integer number (4887861169144).

Almost surely, 2^{9775722338287} is an apocalyptic number.

9775722338287 is a deficient number, since it is larger than the sum of its proper divisors (1).

9775722338287 is an equidigital number, since it uses as much as digits as its factorization.

9775722338287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497871360, while the sum is 70.

The spelling of 9775722338287 in words is "nine trillion, seven hundred seventy-five billion, seven hundred twenty-two million, three hundred thirty-eight thousand, two hundred eighty-seven".