2788591161 has 8 divisors (see below), whose sum is σ = 3738664384. Its totient is φ = 1848789360.

The previous prime is 2788591159. The next prime is 2788591171. The reversal of 2788591161 is 1611958872.

It is a happy number.

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

It is not a de Polignac number, because 2788591161 - 2¹ = 2788591159 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2788591161.

It is not an unprimeable number, because it can be changed into a prime (2788591171) 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, 2567221 + ... + 2568306.

It is an arithmetic number, because the mean of its divisors is an integer number (467333048).

Almost surely, 2^2788591161 is an apocalyptic number.

It is an amenable number.

2788591161 is a deficient number, since it is larger than the sum of its proper divisors (950073223).

2788591161 is a wasteful number, since it uses less digits than its factorization.

2788591161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5135711.

The product of its digits is 241920, while the sum is 48.

The square root of 2788591161 is about 52807.1127879569. The cubic root of 2788591161 is about 1407.5428191414.

The spelling of 2788591161 in words is "two billion, seven hundred eighty-eight million, five hundred ninety-one thousand, one hundred sixty-one".