86808649 has 8 divisors (see below), whose sum is σ = 89733888. Its totient is φ = 83891280.

The previous prime is 86808619. The next prime is 86808653. The reversal of 86808649 is 94680868.

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

It is a cyclic number.

It is not a de Polignac number, because 86808649 - 2¹⁹ = 86284361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86808619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27879 + ... + 30835.

It is an arithmetic number, because the mean of its divisors is an integer number (11216736).

Almost surely, 2^86808649 is an apocalyptic number.

It is an amenable number.

86808649 is a deficient number, since it is larger than the sum of its proper divisors (2925239).

86808649 is a wasteful number, since it uses less digits than its factorization.

86808649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935.

The product of its (nonzero) digits is 663552, while the sum is 49.

The square root of 86808649 is about 9317.1159164196. The cubic root of 86808649 is about 442.7796634040.

The spelling of 86808649 in words is "eighty-six million, eight hundred eight thousand, six hundred forty-nine".