2808960447 has 8 divisors (see below), whose sum is σ = 3745527856. Its totient is φ = 1872516672.

The previous prime is 2808960383. The next prime is 2808960467. The reversal of 2808960447 is 7440698082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2808960447 - 2⁶ = 2808960383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2808960396 and 2808960405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2808960467) 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, 62043 + ... + 97299.

It is an arithmetic number, because the mean of its divisors is an integer number (468190982).

Almost surely, 2^2808960447 is an apocalyptic number.

2808960447 is a deficient number, since it is larger than the sum of its proper divisors (936567409).

2808960447 is a wasteful number, since it uses less digits than its factorization.

2808960447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61817.

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 2808960447 is about 52999.6268571770. The cubic root of 2808960447 is about 1410.9616441792.

The spelling of 2808960447 in words is "two billion, eight hundred eight million, nine hundred sixty thousand, four hundred forty-seven".