85417072258 has 16 divisors (see below), whose sum is σ = 154136070720. Its totient is φ = 34680615696.

The previous prime is 85417072243. The next prime is 85417072261. The reversal of 85417072258 is 85227071458.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160558141 + ... + 160558672.

It is an arithmetic number, because the mean of its divisors is an integer number (9633504420).

Almost surely, 2^85417072258 is an apocalyptic number.

85417072258 is a deficient number, since it is larger than the sum of its proper divisors (68718998462).

85417072258 is a wasteful number, since it uses less digits than its factorization.

85417072258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321116841.

The product of its (nonzero) digits is 1254400, while the sum is 49.

The spelling of 85417072258 in words is "eighty-five billion, four hundred seventeen million, seventy-two thousand, two hundred fifty-eight".