85591339 has 8 divisors (see below), whose sum is σ = 87112080. Its totient is φ = 84084000.

The previous prime is 85591321. The next prime is 85591381. The reversal of 85591339 is 93319558.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85591339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85591295 and 85591304.

It is not an unprimeable number, because it can be changed into a prime (85591309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9997 + ... + 16465.

It is an arithmetic number, because the mean of its divisors is an integer number (10889010).

Almost surely, 2^85591339 is an apocalyptic number.

85591339 is a deficient number, since it is larger than the sum of its proper divisors (1520741).

85591339 is a wasteful number, since it uses less digits than its factorization.

85591339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6701.

The product of its digits is 145800, while the sum is 43.

The square root of 85591339 is about 9251.5587335324. The cubic root of 85591339 is about 440.7002263058.

The spelling of 85591339 in words is "eighty-five million, five hundred ninety-one thousand, three hundred thirty-nine".