86230191 has 4 divisors (see below), whose sum is σ = 114973592. Its totient is φ = 57486792.

The previous prime is 86230181. The next prime is 86230201. The reversal of 86230191 is 19103268.

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

It is an interprime number because it is at equal distance from previous prime (86230181) and next prime (86230201).

It is not a de Polignac number, because 86230191 - 2⁹ = 86229679 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 (86230181) 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, 14371696 + ... + 14371701.

It is an arithmetic number, because the mean of its divisors is an integer number (28743398).

Almost surely, 2^86230191 is an apocalyptic number.

86230191 is a deficient number, since it is larger than the sum of its proper divisors (28743401).

86230191 is a wasteful number, since it uses less digits than its factorization.

86230191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28743400.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 86230191 is about 9286.0212685520. The cubic root of 86230191 is about 441.7939687311.

The spelling of 86230191 in words is "eighty-six million, two hundred thirty thousand, one hundred ninety-one".