9794579661 has 24 divisors (see below), whose sum is σ = 14286935520. Its totient is φ = 6465549600.

The previous prime is 9794579651. The next prime is 9794579677. The reversal of 9794579661 is 1669754979.

9794579661 is a `hidden beast` number, since 97 + 9 + 457 + 96 + 6 + 1 = 666.

9794579661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9794579661 - 2⁷ = 9794579533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9794579651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2323846 + ... + 2328056.

It is an arithmetic number, because the mean of its divisors is an integer number (595288980).

Almost surely, 2^9794579661 is an apocalyptic number.

It is an amenable number.

9794579661 is a deficient number, since it is larger than the sum of its proper divisors (4492355859).

9794579661 is a wasteful number, since it uses less digits than its factorization.

9794579661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6697 (or 6694 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 63.

The square root of 9794579661 is about 98967.5687333987. The cubic root of 9794579661 is about 2139.5803513029.

The spelling of 9794579661 in words is "nine billion, seven hundred ninety-four million, five hundred seventy-nine thousand, six hundred sixty-one".