86747543 has 4 divisors (see below), whose sum is σ = 86773200. Its totient is φ = 86721888.

The previous prime is 86747539. The next prime is 86747561. The reversal of 86747543 is 34574768.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86747543 - 2² = 86747539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86747494 and 86747503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86747593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6818 + ... + 14831.

It is an arithmetic number, because the mean of its divisors is an integer number (21693300).

Almost surely, 2^86747543 is an apocalyptic number.

86747543 is a deficient number, since it is larger than the sum of its proper divisors (25657).

86747543 is a wasteful number, since it uses less digits than its factorization.

86747543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25656.

The product of its digits is 564480, while the sum is 44.

The square root of 86747543 is about 9313.8361054938. The cubic root of 86747543 is about 442.6757457821.

The spelling of 86747543 in words is "eighty-six million, seven hundred forty-seven thousand, five hundred forty-three".