2794280765 has 4 divisors (see below), whose sum is σ = 3353136924. Its totient is φ = 2235424608.

The previous prime is 2794280747. The next prime is 2794280773. The reversal of 2794280765 is 5670824972.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1271564281 + 1522716484 = 35659^2 + 39022^2 .

It is a cyclic number.

It is not a de Polignac number, because 2794280765 - 2¹⁸ = 2794018621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279428072 + ... + 279428081.

It is an arithmetic number, because the mean of its divisors is an integer number (838284231).

Almost surely, 2^2794280765 is an apocalyptic number.

It is an amenable number.

2794280765 is a deficient number, since it is larger than the sum of its proper divisors (558856159).

2794280765 is an equidigital number, since it uses as much as digits as its factorization.

2794280765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558856158.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The square root of 2794280765 is about 52860.9569058298. The cubic root of 2794280765 is about 1408.4994456756.

The spelling of 2794280765 in words is "two billion, seven hundred ninety-four million, two hundred eighty thousand, seven hundred sixty-five".