9977777633 has 2 divisors, whose sum is σ = 9977777634. Its totient is φ = 9977777632.

The previous prime is 9977777611. The next prime is 9977777651. The reversal of 9977777633 is 3367777799.

9977777633 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., 7182223504 + 2795554129 = 84748^2 + 52873^2 .

It is a cyclic number.

It is not a de Polignac number, because 9977777633 - 2⁶ = 9977777569 is a prime.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 9977777633.

It is not a weakly prime, because it can be changed into another prime (9977777333) 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, 4988888816 + 4988888817.

It is an arithmetic number, because the mean of its divisors is an integer number (4988888817).

Almost surely, 2^9977777633 is an apocalyptic number.

It is an amenable number.

9977777633 is a deficient number, since it is larger than the sum of its proper divisors (1).

9977777633 is an equidigital number, since it uses as much as digits as its factorization.

9977777633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73513818, while the sum is 65.

The square root of 9977777633 is about 99888.8263671168. The cubic root of 9977777633 is about 2152.8376184780.

The spelling of 9977777633 in words is "nine billion, nine hundred seventy-seven million, seven hundred seventy-seven thousand, six hundred thirty-three".