85031676162529 has 2 divisors, whose sum is σ = 85031676162530. Its totient is φ = 85031676162528.

The previous prime is 85031676162473. The next prime is 85031676162551. The reversal of 85031676162529 is 92526167613058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84715548851025 + 316127311504 = 9204105^2 + 562252^2 .

It is a cyclic number.

It is not a de Polignac number, because 85031676162529 - 2¹⁷ = 85031676031457 is a prime.

It is not a weakly prime, because it can be changed into another prime (85031676162029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42515838081264 + 42515838081265.

It is an arithmetic number, because the mean of its divisors is an integer number (42515838081265).

Almost surely, 2^{85031676162529} is an apocalyptic number.

It is an amenable number.

85031676162529 is a deficient number, since it is larger than the sum of its proper divisors (1).

85031676162529 is an equidigital number, since it uses as much as digits as its factorization.

85031676162529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32659200, while the sum is 61.

The spelling of 85031676162529 in words is "eighty-five trillion, thirty-one billion, six hundred seventy-six million, one hundred sixty-two thousand, five hundred twenty-nine".