2800805071 has 2 divisors, whose sum is σ = 2800805072. Its totient is φ = 2800805070.

The previous prime is 2800805027. The next prime is 2800805083. The reversal of 2800805071 is 1705080082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2800805071 - 2²³ = 2792416463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2800805011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400402535 + 1400402536.

It is an arithmetic number, because the mean of its divisors is an integer number (1400402536).

Almost surely, 2^2800805071 is an apocalyptic number.

2800805071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2800805071 is an equidigital number, since it uses as much as digits as its factorization.

2800805071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 2800805071 is about 52922.6328804605. The cubic root of 2800805071 is about 1409.5948186072.

The spelling of 2800805071 in words is "two billion, eight hundred million, eight hundred five thousand, seventy-one".