86803561 has 8 divisors (see below), whose sum is σ = 93562560. Its totient is φ = 80056272.

The previous prime is 86803543. The next prime is 86803589. The reversal of 86803561 is 16530868.

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 86803561 - 2⁵ = 86803529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86803561.

It is not an unprimeable number, because it can be changed into a prime (86803511) 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, 18126 + ... + 22408.

It is an arithmetic number, because the mean of its divisors is an integer number (11695320).

Almost surely, 2^86803561 is an apocalyptic number.

It is an amenable number.

86803561 is a deficient number, since it is larger than the sum of its proper divisors (6758999).

86803561 is a wasteful number, since it uses less digits than its factorization.

86803561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5855.

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

The square root of 86803561 is about 9316.8428665509. The cubic root of 86803561 is about 442.7710125496.

The spelling of 86803561 in words is "eighty-six million, eight hundred three thousand, five hundred sixty-one".