2808888047 has 16 divisors (see below), whose sum is σ = 3391718400. Its totient is φ = 2272393440.

The previous prime is 2808888029. The next prime is 2808888091. The reversal of 2808888047 is 7408888082.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2808888047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2808888047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2808888007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3479 + ... + 75032.

It is an arithmetic number, because the mean of its divisors is an integer number (211982400).

Almost surely, 2^2808888047 is an apocalyptic number.

2808888047 is a deficient number, since it is larger than the sum of its proper divisors (582830353).

2808888047 is a wasteful number, since it uses less digits than its factorization.

2808888047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78806.

The product of its (nonzero) digits is 1835008, while the sum is 53.

The square root of 2808888047 is about 52998.9438290991. The cubic root of 2808888047 is about 1410.9495217229.

The spelling of 2808888047 in words is "two billion, eight hundred eight million, eight hundred eighty-eight thousand, forty-seven".