9506577961 has 4 divisors (see below), whose sum is σ = 9595424592. Its totient is φ = 9417731332.

The previous prime is 9506577953. The next prime is 9506577991. The reversal of 9506577961 is 1697756059.

It is a happy number.

9506577961 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9506577961 - 2³ = 9506577953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9506577991) 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 3 ways as a sum of consecutive naturals, for example, 44423155 + ... + 44423368.

It is an arithmetic number, because the mean of its divisors is an integer number (2398856148).

Almost surely, 2^9506577961 is an apocalyptic number.

It is an amenable number.

9506577961 is a deficient number, since it is larger than the sum of its proper divisors (88846631).

9506577961 is a wasteful number, since it uses less digits than its factorization.

9506577961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88846630.

The product of its (nonzero) digits is 3572100, while the sum is 55.

The square root of 9506577961 is about 97501.6818367765. The cubic root of 9506577961 is about 2118.4005053530.

The spelling of 9506577961 in words is "nine billion, five hundred six million, five hundred seventy-seven thousand, nine hundred sixty-one".