86944959 has 12 divisors (see below), whose sum is σ = 125947536. Its totient is φ = 57796992.

The previous prime is 86944943. The next prime is 86944961. The reversal of 86944959 is 95944968.

It is not a de Polignac number, because 86944959 - 2⁴ = 86944943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86944909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10507 + ... + 16860.

It is an arithmetic number, because the mean of its divisors is an integer number (10495628).

Almost surely, 2^86944959 is an apocalyptic number.

86944959 is a deficient number, since it is larger than the sum of its proper divisors (39002577).

86944959 is a wasteful number, since it uses less digits than its factorization.

86944959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27726 (or 27723 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 86944959 is about 9324.4280789762. The cubic root of 86944959 is about 443.0112982832.

Subtracting 86944959 from its reverse (95944968), we obtain a palindrome (9000009).

The spelling of 86944959 in words is "eighty-six million, nine hundred forty-four thousand, nine hundred fifty-nine".