86045491 has 8 divisors (see below), whose sum is σ = 101510144. Its totient is φ = 71373960.

The previous prime is 86045489. The next prime is 86045503. The reversal of 86045491 is 19454068.

It is a happy number.

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

It is not a de Polignac number, because 86045491 - 2¹ = 86045489 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 86045491.

It is not an unprimeable number, because it can be changed into a prime (86045431) 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, 198045 + ... + 198478.

It is an arithmetic number, because the mean of its divisors is an integer number (12688768).

Almost surely, 2^86045491 is an apocalyptic number.

86045491 is a deficient number, since it is larger than the sum of its proper divisors (15464653).

86045491 is a wasteful number, since it uses less digits than its factorization.

86045491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396561.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 86045491 is about 9276.0708815748. The cubic root of 86045491 is about 441.4783110137.

The spelling of 86045491 in words is "eighty-six million, forty-five thousand, four hundred ninety-one".