85932191 has 4 divisors (see below), whose sum is σ = 88895400. Its totient is φ = 82968984.

The previous prime is 85932151. The next prime is 85932251. The reversal of 85932191 is 19123958.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85932191 - 2²⁶ = 18823327 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 (85932131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1481561 + ... + 1481618.

It is an arithmetic number, because the mean of its divisors is an integer number (22223850).

Almost surely, 2^85932191 is an apocalyptic number.

85932191 is a deficient number, since it is larger than the sum of its proper divisors (2963209).

85932191 is a wasteful number, since it uses less digits than its factorization.

85932191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963208.

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

The square root of 85932191 is about 9269.9617582814. The cubic root of 85932191 is about 441.2844543980.

The spelling of 85932191 in words is "eighty-five million, nine hundred thirty-two thousand, one hundred ninety-one".