85191219158 has 16 divisors (see below), whose sum is σ = 128523497040. Its totient is φ = 42350700000.

The previous prime is 85191219137. The next prime is 85191219161.

85191219158 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 102908 + ... + 425408.

It is an arithmetic number, because the mean of its divisors is an integer number (8032718565).

Almost surely, 2^85191219158 is an apocalyptic number.

85191219158 is a deficient number, since it is larger than the sum of its proper divisors (43332277882).

85191219158 is a wasteful number, since it uses less digits than its factorization.

85191219158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323263.

The product of its digits is 259200, while the sum is 50.

The spelling of 85191219158 in words is "eighty-five billion, one hundred ninety-one million, two hundred nineteen thousand, one hundred fifty-eight".