85293191 has 8 divisors (see below), whose sum is σ = 86503200. Its totient is φ = 84091392.

The previous prime is 85293149. The next prime is 85293193. The reversal of 85293191 is 19139258.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85293191 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 (85293193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20591 + ... + 24383.

It is an arithmetic number, because the mean of its divisors is an integer number (10812900).

Almost surely, 2^85293191 is an apocalyptic number.

85293191 is a deficient number, since it is larger than the sum of its proper divisors (1210009).

85293191 is a wasteful number, since it uses less digits than its factorization.

85293191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105.

The product of its digits is 19440, while the sum is 38.

The square root of 85293191 is about 9235.4312839196. The cubic root of 85293191 is about 440.1879207621.

The spelling of 85293191 in words is "eighty-five million, two hundred ninety-three thousand, one hundred ninety-one".