800072215073 has 2 divisors, whose sum is σ = 800072215074. Its totient is φ = 800072215072.

The previous prime is 800072214913. The next prime is 800072215079. The reversal of 800072215073 is 370512270008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 780294855649 + 19777359424 = 883343^2 + 140632^2 .

It is a cyclic number.

It is not a de Polignac number, because 800072215073 - 2¹⁸ = 800071952929 is a prime.

It is not a weakly prime, because it can be changed into another prime (800072215079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400036107536 + 400036107537.

It is an arithmetic number, because the mean of its divisors is an integer number (400036107537).

Almost surely, 2^800072215073 is an apocalyptic number.

It is an amenable number.

800072215073 is a deficient number, since it is larger than the sum of its proper divisors (1).

800072215073 is an equidigital number, since it uses as much as digits as its factorization.

800072215073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 800072215073 in words is "eight hundred billion, seventy-two million, two hundred fifteen thousand, seventy-three".