3002778005 has 4 divisors (see below), whose sum is σ = 3603333612. Its totient is φ = 2402222400.

The previous prime is 3002777989. The next prime is 3002778007. The reversal of 3002778005 is 5008772003.

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 689745169 + 2313032836 = 26263^2 + 48094^2 .

It is not a de Polignac number, because 3002778005 - 2⁴ = 3002777989 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 (3002778007) 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 3 ways as a sum of consecutive naturals, for example, 300277796 + ... + 300277805.

It is an arithmetic number, because the mean of its divisors is an integer number (900833403).

Almost surely, 2^3002778005 is an apocalyptic number.

It is an amenable number.

3002778005 is a deficient number, since it is larger than the sum of its proper divisors (600555607).

3002778005 is an equidigital number, since it uses as much as digits as its factorization.

3002778005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600555606.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 3002778005 is about 54797.6094825313. The cubic root of 3002778005 is about 1442.6946081357.

The spelling of 3002778005 in words is "three billion, two million, seven hundred seventy-eight thousand, five".