800528783101 has 2 divisors, whose sum is σ = 800528783102. Its totient is φ = 800528783100.

The previous prime is 800528783083. The next prime is 800528783107. The reversal of 800528783101 is 101387825008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 596757795001 + 203770988100 = 772501^2 + 451410^2 .

It is a cyclic number.

It is not a de Polignac number, because 800528783101 - 2⁵ = 800528783069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800528783107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400264391550 + 400264391551.

It is an arithmetic number, because the mean of its divisors is an integer number (400264391551).

Almost surely, 2^800528783101 is an apocalyptic number.

It is an amenable number.

800528783101 is a deficient number, since it is larger than the sum of its proper divisors (1).

800528783101 is an equidigital number, since it uses as much as digits as its factorization.

800528783101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 43.

The spelling of 800528783101 in words is "eight hundred billion, five hundred twenty-eight million, seven hundred eighty-three thousand, one hundred one".