86537811 has 8 divisors (see below), whose sum is σ = 115833744. Its totient is φ = 57466880.

The previous prime is 86537809. The next prime is 86537821. The reversal of 86537811 is 11873568.

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 86537811 - 2¹ = 86537809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86537811.

It is not an unprimeable number, because it can be changed into a prime (86537821) 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, 55350 + ... + 56891.

It is an arithmetic number, because the mean of its divisors is an integer number (14479218).

Almost surely, 2^86537811 is an apocalyptic number.

86537811 is a deficient number, since it is larger than the sum of its proper divisors (29295933).

86537811 is a wasteful number, since it uses less digits than its factorization.

86537811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112501.

The product of its digits is 40320, while the sum is 39.

The square root of 86537811 is about 9302.5701287332. The cubic root of 86537811 is about 442.3187013048.

The spelling of 86537811 in words is "eighty-six million, five hundred thirty-seven thousand, eight hundred eleven".