9607089777561 has 12 divisors (see below), whose sum is σ = 14011634714688. Its totient is φ = 6342544706904.

The previous prime is 9607089777541. The next prime is 9607089777583. The reversal of 9607089777561 is 1657779807069.

9607089777561 is a `hidden beast` number, since 9 + 607 + 0 + 8 + 9 + 7 + 7 + 7 + 5 + 6 + 1 = 666.

It is not a de Polignac number, because 9607089777561 - 2¹⁷ = 9607089646489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9607089777561.

It is not an unprimeable number, because it can be changed into a prime (9607089777511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5181816645 + ... + 5181818498.

It is an arithmetic number, because the mean of its divisors is an integer number (1167636226224).

Almost surely, 2^{9607089777561} is an apocalyptic number.

It is an amenable number.

9607089777561 is a deficient number, since it is larger than the sum of its proper divisors (4404544937127).

9607089777561 is a wasteful number, since it uses less digits than its factorization.

9607089777561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10363635252 (or 10363635249 counting only the distinct ones).

The product of its (nonzero) digits is 280052640, while the sum is 72.

The spelling of 9607089777561 in words is "nine trillion, six hundred seven billion, eighty-nine million, seven hundred seventy-seven thousand, five hundred sixty-one".