800075095961 has 2 divisors, whose sum is σ = 800075095962. Its totient is φ = 800075095960.

The previous prime is 800075095927. The next prime is 800075095987. The reversal of 800075095961 is 169590570008.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 547600000000 + 252475095961 = 740000^2 + 502469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-800075095961 is a prime.

It is not a weakly prime, because it can be changed into another prime (800078095961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400037547980 + 400037547981.

It is an arithmetic number, because the mean of its divisors is an integer number (400037547981).

Almost surely, 2^800075095961 is an apocalyptic number.

It is an amenable number.

800075095961 is a deficient number, since it is larger than the sum of its proper divisors (1).

800075095961 is an equidigital number, since it uses as much as digits as its factorization.

800075095961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 50.

The spelling of 800075095961 in words is "eight hundred billion, seventy-five million, ninety-five thousand, nine hundred sixty-one".