800072215087 has 2 divisors, whose sum is σ = 800072215088. Its totient is φ = 800072215086.

The previous prime is 800072215079. The next prime is 800072215193. The reversal of 800072215087 is 780512270008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 800072215087 - 2³ = 800072215079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800072212087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400036107543 + 400036107544.

It is an arithmetic number, because the mean of its divisors is an integer number (400036107544).

Almost surely, 2^800072215087 is an apocalyptic number.

800072215087 is a deficient number, since it is larger than the sum of its proper divisors (1).

800072215087 is an equidigital number, since it uses as much as digits as its factorization.

800072215087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62720, while the sum is 40.

The spelling of 800072215087 in words is "eight hundred billion, seventy-two million, two hundred fifteen thousand, eighty-seven".