2790668663 has 8 divisors (see below), whose sum is σ = 2872492032. Its totient is φ = 2709780696.

The previous prime is 2790668641. The next prime is 2790668669. The reversal of 2790668663 is 3668660972.

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 2790668663 - 2¹⁰ = 2790667639 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 (2790668669) 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, 227795 + ... + 239732.

It is an arithmetic number, because the mean of its divisors is an integer number (359061504).

Almost surely, 2^2790668663 is an apocalyptic number.

2790668663 is a deficient number, since it is larger than the sum of its proper divisors (81823369).

2790668663 is a wasteful number, since it uses less digits than its factorization.

2790668663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467701.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The square root of 2790668663 is about 52826.7797901784. The cubic root of 2790668663 is about 1407.8922724416.

It can be divided in two parts, 27906 and 68663, that added together give a palindrome (96569).

The spelling of 2790668663 in words is "two billion, seven hundred ninety million, six hundred sixty-eight thousand, six hundred sixty-three".