85854346197 has 4 divisors (see below), whose sum is σ = 114472461600. Its totient is φ = 57236230796.

The previous prime is 85854346187. The next prime is 85854346211. The reversal of 85854346197 is 79164345858.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85854346197 - 2⁷ = 85854346069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85854346197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85854346187) 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, 14309057697 + ... + 14309057702.

It is an arithmetic number, because the mean of its divisors is an integer number (28618115400).

Almost surely, 2^85854346197 is an apocalyptic number.

It is an amenable number.

85854346197 is a deficient number, since it is larger than the sum of its proper divisors (28618115403).

85854346197 is a wasteful number, since it uses less digits than its factorization.

85854346197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28618115402.

The product of its digits is 29030400, while the sum is 60.

The spelling of 85854346197 in words is "eighty-five billion, eight hundred fifty-four million, three hundred forty-six thousand, one hundred ninety-seven".