86625543 has 8 divisors (see below), whose sum is σ = 115654000. Its totient is φ = 57673728.

The previous prime is 86625533. The next prime is 86625571. The reversal of 86625543 is 34552668.

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

It is not a de Polignac number, because 86625543 - 2⁴ = 86625527 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 (86625533) 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, 16468 + ... + 21081.

It is an arithmetic number, because the mean of its divisors is an integer number (14456750).

Almost surely, 2^86625543 is an apocalyptic number.

86625543 is a deficient number, since it is larger than the sum of its proper divisors (29028457).

86625543 is a wasteful number, since it uses less digits than its factorization.

86625543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38321.

The product of its digits is 172800, while the sum is 39.

The square root of 86625543 is about 9307.2844052387. The cubic root of 86625543 is about 442.4681249982.

The spelling of 86625543 in words is "eighty-six million, six hundred twenty-five thousand, five hundred forty-three".