85417775258 has 16 divisors (see below), whose sum is σ = 134896524000. Its totient is φ = 40453145712.

The previous prime is 85417775249. The next prime is 85417775327. The reversal of 85417775258 is 85257771458.

It is a junction number, because it is equal to n+sod(n) for n = 85417775197 and 85417775206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20213 + ... + 413816.

It is an arithmetic number, because the mean of its divisors is an integer number (8431032750).

Almost surely, 2^85417775258 is an apocalyptic number.

85417775258 is a deficient number, since it is larger than the sum of its proper divisors (49478748742).

85417775258 is a wasteful number, since it uses less digits than its factorization.

85417775258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439229.

The product of its digits is 21952000, while the sum is 59.

The spelling of 85417775258 in words is "eighty-five billion, four hundred seventeen million, seven hundred seventy-five thousand, two hundred fifty-eight".