2793788963 has 4 divisors (see below), whose sum is σ = 3192901680. Its totient is φ = 2394676248.

The previous prime is 2793788951. The next prime is 2793788999. The reversal of 2793788963 is 3698873972.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2793788963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2793788896 and 2793788905.

It is not an unprimeable number, because it can be changed into a prime (2793788663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199556348 + ... + 199556361.

It is an arithmetic number, because the mean of its divisors is an integer number (798225420).

Almost surely, 2^2793788963 is an apocalyptic number.

2793788963 is a deficient number, since it is larger than the sum of its proper divisors (399112717).

2793788963 is an equidigital number, since it uses as much as digits as its factorization.

2793788963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399112716.

The product of its digits is 27433728, while the sum is 62.

The square root of 2793788963 is about 52856.3048557123. The cubic root of 2793788963 is about 1408.4168074172.

The spelling of 2793788963 in words is "two billion, seven hundred ninety-three million, seven hundred eighty-eight thousand, nine hundred sixty-three".