86533149 has 4 divisors (see below), whose sum is σ = 115377536. Its totient is φ = 57688764.

The previous prime is 86533141. The next prime is 86533151. The reversal of 86533149 is 94133568.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 86533149 - 2³ = 86533141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86533141) 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 3 ways as a sum of consecutive naturals, for example, 14422189 + ... + 14422194.

It is an arithmetic number, because the mean of its divisors is an integer number (28844384).

Almost surely, 2^86533149 is an apocalyptic number.

It is an amenable number.

86533149 is a deficient number, since it is larger than the sum of its proper divisors (28844387).

86533149 is a wasteful number, since it uses less digits than its factorization.

86533149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28844386.

The product of its digits is 77760, while the sum is 39.

The square root of 86533149 is about 9302.3195494457. The cubic root of 86533149 is about 442.3107582381.

The spelling of 86533149 in words is "eighty-six million, five hundred thirty-three thousand, one hundred forty-nine".