2808670065 has 16 divisors (see below), whose sum is σ = 4495289856. Its totient is φ = 1497484800.

The previous prime is 2808670061. The next prime is 2808670129. The reversal of 2808670065 is 5600768082.

It is not a de Polignac number, because 2808670065 - 2² = 2808670061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2808669999 and 2808670026.

It is not an unprimeable number, because it can be changed into a prime (2808670061) 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, 22560 + ... + 78270.

It is an arithmetic number, because the mean of its divisors is an integer number (280955616).

Almost surely, 2^2808670065 is an apocalyptic number.

It is an amenable number.

2808670065 is a deficient number, since it is larger than the sum of its proper divisors (1686619791).

2808670065 is a wasteful number, since it uses less digits than its factorization.

2808670065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59080.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 2808670065 is about 52996.8873142565. The cubic root of 2808670065 is about 1410.9130221603.

The spelling of 2808670065 in words is "two billion, eight hundred eight million, six hundred seventy thousand, sixty-five".