86959443 has 4 divisors (see below), whose sum is σ = 115945928. Its totient is φ = 57972960.

The previous prime is 86959423. The next prime is 86959463. The reversal of 86959443 is 34495968.

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

It is an interprime number because it is at equal distance from previous prime (86959423) and next prime (86959463).

It is not a de Polignac number, because 86959443 - 2⁹ = 86958931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86959392 and 86959401.

It is not an unprimeable number, because it can be changed into a prime (86959423) 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, 14493238 + ... + 14493243.

It is an arithmetic number, because the mean of its divisors is an integer number (28986482).

Almost surely, 2^86959443 is an apocalyptic number.

86959443 is a deficient number, since it is larger than the sum of its proper divisors (28986485).

86959443 is a wasteful number, since it uses less digits than its factorization.

86959443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28986484.

The product of its digits is 933120, while the sum is 48.

The square root of 86959443 is about 9325.2047162515. The cubic root of 86959443 is about 443.0358970617.

The spelling of 86959443 in words is "eighty-six million, nine hundred fifty-nine thousand, four hundred forty-three".