9778960537 has 2 divisors, whose sum is σ = 9778960538. Its totient is φ = 9778960536.

The previous prime is 9778960493. The next prime is 9778960591. The reversal of 9778960537 is 7350698779.

9778960537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8989125721 + 789834816 = 94811^2 + 28104^2 .

It is an emirp because it is prime and its reverse (7350698779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9778960537 - 2¹¹ = 9778958489 is a prime.

It is not a weakly prime, because it can be changed into another prime (9778960237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4889480268 + 4889480269.

It is an arithmetic number, because the mean of its divisors is an integer number (4889480269).

Almost surely, 2^9778960537 is an apocalyptic number.

It is an amenable number.

9778960537 is a deficient number, since it is larger than the sum of its proper divisors (1).

9778960537 is an equidigital number, since it uses as much as digits as its factorization.

9778960537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20003760, while the sum is 61.

The square root of 9778960537 is about 98888.6269345469. The cubic root of 9778960537 is about 2138.4424379029.

The spelling of 9778960537 in words is "nine billion, seven hundred seventy-eight million, nine hundred sixty thousand, five hundred thirty-seven".