85285658258 has 8 divisors (see below), whose sum is σ = 129195106380. Its totient is φ = 42220622800.

The previous prime is 85285658257. The next prime is 85285658273.

85285658258 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 58058348209 + 27227310049 = 240953^2 + 165007^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 85285658258.

It is not an unprimeable number, because it can be changed into a prime (85285658257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211102913 + ... + 211103316.

Almost surely, 2^85285658258 is an apocalyptic number.

85285658258 is a deficient number, since it is larger than the sum of its proper divisors (43909448122).

85285658258 is a wasteful number, since it uses less digits than its factorization.

85285658258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422206332.

The product of its digits is 61440000, while the sum is 62.

The spelling of 85285658258 in words is "eighty-five billion, two hundred eighty-five million, six hundred fifty-eight thousand, two hundred fifty-eight".