86191627 has 4 divisors (see below), whose sum is σ = 86245120. Its totient is φ = 86138136.

The previous prime is 86191559. The next prime is 86191661. The reversal of 86191627 is 72619168.

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 86191627 - 2⁷ = 86191499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86191627.

It is not an unprimeable number, because it can be changed into a prime (86191667) 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, 24252 + ... + 27577.

It is an arithmetic number, because the mean of its divisors is an integer number (21561280).

Almost surely, 2^86191627 is an apocalyptic number.

86191627 is a deficient number, since it is larger than the sum of its proper divisors (53493).

86191627 is a wasteful number, since it uses less digits than its factorization.

86191627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53492.

The product of its digits is 36288, while the sum is 40.

The square root of 86191627 is about 9283.9445819113. The cubic root of 86191627 is about 441.7280989823.

The spelling of 86191627 in words is "eighty-six million, one hundred ninety-one thousand, six hundred twenty-seven".