85085796793 has 2 divisors, whose sum is σ = 85085796794. Its totient is φ = 85085796792.

The previous prime is 85085796767. The next prime is 85085796871. The reversal of 85085796793 is 39769758058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71306089024 + 13779707769 = 267032^2 + 117387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85085796793 is a prime.

It is not a weakly prime, because it can be changed into another prime (85085796703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42542898396 + 42542898397.

It is an arithmetic number, because the mean of its divisors is an integer number (42542898397).

Almost surely, 2^85085796793 is an apocalyptic number.

It is an amenable number.

85085796793 is a deficient number, since it is larger than the sum of its proper divisors (1).

85085796793 is an equidigital number, since it uses as much as digits as its factorization.

85085796793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 114307200, while the sum is 67.

The spelling of 85085796793 in words is "eighty-five billion, eighty-five million, seven hundred ninety-six thousand, seven hundred ninety-three".