2996089777561 has 8 divisors (see below), whose sum is σ = 3000257097120. Its totient is φ = 2991925128192.

The previous prime is 2996089777553. The next prime is 2996089777579. The reversal of 2996089777561 is 1657779806992.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2996089777561 - 2³ = 2996089777553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2996089772561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1583385 + ... + 2915353.

It is an arithmetic number, because the mean of its divisors is an integer number (375032137140).

Almost surely, 2^{2996089777561} is an apocalyptic number.

It is an amenable number.

2996089777561 is a deficient number, since it is larger than the sum of its proper divisors (4167319559).

2996089777561 is a wasteful number, since it uses less digits than its factorization.

2996089777561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335095.

The product of its (nonzero) digits is 720135360, while the sum is 76.

The spelling of 2996089777561 in words is "two trillion, nine hundred ninety-six billion, eighty-nine million, seven hundred seventy-seven thousand, five hundred sixty-one".