85428183191 has 8 divisors (see below), whose sum is σ = 92148216720. Its totient is φ = 78729383232.

The previous prime is 85428183187. The next prime is 85428183271. The reversal of 85428183191 is 19138182458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85428183191 - 2² = 85428183187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85428183101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5300030 + ... + 5316123.

It is an arithmetic number, because the mean of its divisors is an integer number (11518527090).

Almost surely, 2^85428183191 is an apocalyptic number.

85428183191 is a deficient number, since it is larger than the sum of its proper divisors (6720033529).

85428183191 is a wasteful number, since it uses less digits than its factorization.

85428183191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10616785.

The product of its digits is 552960, while the sum is 50.

The spelling of 85428183191 in words is "eighty-five billion, four hundred twenty-eight million, one hundred eighty-three thousand, one hundred ninety-one".