85630794325829 has 2 divisors, whose sum is σ = 85630794325830. Its totient is φ = 85630794325828.

The previous prime is 85630794325807. The next prime is 85630794325927. The reversal of 85630794325829 is 92852349703658.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85254659889025 + 376134436804 = 9233345^2 + 613298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85630794325829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85630794325429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42815397162914 + 42815397162915.

It is an arithmetic number, because the mean of its divisors is an integer number (42815397162915).

Almost surely, 2^{85630794325829} is an apocalyptic number.

It is an amenable number.

85630794325829 is a deficient number, since it is larger than the sum of its proper divisors (1).

85630794325829 is an equidigital number, since it uses as much as digits as its factorization.

85630794325829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 783820800, while the sum is 71.

The spelling of 85630794325829 in words is "eighty-five trillion, six hundred thirty billion, seven hundred ninety-four million, three hundred twenty-five thousand, eight hundred twenty-nine".