9764878633 has 2 divisors, whose sum is σ = 9764878634. Its totient is φ = 9764878632.

The previous prime is 9764878589. The next prime is 9764878679. The reversal of 9764878633 is 3368784679.

9764878633 is digitally balanced in base 3, 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., 9763020864 + 1857769 = 98808^2 + 1363^2 .

It is a cyclic number.

It is not a de Polignac number, because 9764878633 - 2²¹ = 9762781481 is a prime.

It is not a weakly prime, because it can be changed into another prime (9764878133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4882439316 + 4882439317.

It is an arithmetic number, because the mean of its divisors is an integer number (4882439317).

Almost surely, 2^9764878633 is an apocalyptic number.

It is an amenable number.

9764878633 is a deficient number, since it is larger than the sum of its proper divisors (1).

9764878633 is an equidigital number, since it uses as much as digits as its factorization.

9764878633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36578304, while the sum is 61.

The square root of 9764878633 is about 98817.4004565997. The cubic root of 9764878633 is about 2137.4154777882.

The spelling of 9764878633 in words is "nine billion, seven hundred sixty-four million, eight hundred seventy-eight thousand, six hundred thirty-three".