85504596191 has 16 divisors (see below), whose sum is σ = 99726734400. Its totient is φ = 73280158560.

The previous prime is 85504596181. The next prime is 85504596277. The reversal of 85504596191 is 19169540558.

It is not a de Polignac number, because 85504596191 - 2¹⁰ = 85504595167 is a prime.

It is a super-2 number, since 2×85504596191² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85504596181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4365881 + ... + 4385421.

It is an arithmetic number, because the mean of its divisors is an integer number (6232920900).

Almost surely, 2^85504596191 is an apocalyptic number.

85504596191 is a deficient number, since it is larger than the sum of its proper divisors (14222138209).

85504596191 is a wasteful number, since it uses less digits than its factorization.

85504596191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32319 (or 32305 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 53.

The spelling of 85504596191 in words is "eighty-five billion, five hundred four million, five hundred ninety-six thousand, one hundred ninety-one".