86441651 has 4 divisors (see below), whose sum is σ = 91526472. Its totient is φ = 81356832.

The previous prime is 86441633. The next prime is 86441711. The reversal of 86441651 is 15614468.

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

It is not a de Polignac number, because 86441651 - 2¹⁸ = 86179507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86441351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2542385 + ... + 2542418.

It is an arithmetic number, because the mean of its divisors is an integer number (22881618).

Almost surely, 2^86441651 is an apocalyptic number.

86441651 is a deficient number, since it is larger than the sum of its proper divisors (5084821).

86441651 is a wasteful number, since it uses less digits than its factorization.

86441651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5084820.

The product of its digits is 23040, while the sum is 35.

The square root of 86441651 is about 9297.4002280207. The cubic root of 86441651 is about 442.1548071265.

The spelling of 86441651 in words is "eighty-six million, four hundred forty-one thousand, six hundred fifty-one".