9608782661 has 8 divisors (see below), whose sum is σ = 9921128448. Its totient is φ = 9296586000.

The previous prime is 9608782627. The next prime is 9608782663. The reversal of 9608782661 is 1662878069.

9608782661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9608782661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9608782663) 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 in 7 ways as a sum of consecutive naturals, for example, 101996 + ... + 172106.

It is an arithmetic number, because the mean of its divisors is an integer number (1240141056).

Almost surely, 2^9608782661 is an apocalyptic number.

It is an amenable number.

9608782661 is a deficient number, since it is larger than the sum of its proper divisors (312345787).

9608782661 is a wasteful number, since it uses less digits than its factorization.

9608782661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74563.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 9608782661 is about 98024.3982945063. The cubic root of 9608782661 is about 2125.9650637330.

The spelling of 9608782661 in words is "nine billion, six hundred eight million, seven hundred eighty-two thousand, six hundred sixty-one".