86507443 has 16 divisors (see below), whose sum is σ = 99196416. Its totient is φ = 74723040.

The previous prime is 86507431. The next prime is 86507459. The reversal of 86507443 is 34470568.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86507443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (86507423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15030 + ... + 19972.

It is an arithmetic number, because the mean of its divisors is an integer number (6199776).

Almost surely, 2^86507443 is an apocalyptic number.

86507443 is a deficient number, since it is larger than the sum of its proper divisors (12688973).

86507443 is a wasteful number, since it uses less digits than its factorization.

86507443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5034.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 86507443 is about 9300.9377484209. The cubic root of 86507443 is about 442.2669555006.

The spelling of 86507443 in words is "eighty-six million, five hundred seven thousand, four hundred forty-three".