2794778995 has 8 divisors (see below), whose sum is σ = 3354021216. Its totient is φ = 2235632256.

The previous prime is 2794778993. The next prime is 2794779037. The reversal of 2794778995 is 5998774972.

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 2794778995 - 2¹ = 2794778993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2794778995.

It is not an unprimeable number, because it can be changed into a prime (2794778993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89394 + ... + 116536.

It is an arithmetic number, because the mean of its divisors is an integer number (419252652).

Almost surely, 2^2794778995 is an apocalyptic number.

2794778995 is a deficient number, since it is larger than the sum of its proper divisors (559242221).

2794778995 is a wasteful number, since it uses less digits than its factorization.

2794778995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47741.

The product of its digits is 80015040, while the sum is 67.

The square root of 2794778995 is about 52865.6693422111. The cubic root of 2794778995 is about 1408.5831541542.

The spelling of 2794778995 in words is "two billion, seven hundred ninety-four million, seven hundred seventy-eight thousand, nine hundred ninety-five".