85394959 has 4 divisors (see below), whose sum is σ = 91963816. Its totient is φ = 78826104.

The previous prime is 85394941. The next prime is 85394983. The reversal of 85394959 is 95949358.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95949358 = 2 ⋅47974679.

It is a cyclic number.

It is not a de Polignac number, because 85394959 - 2¹⁵ = 85362191 is a prime.

It is a super-2 number, since 2×85394959² = 14584598045223362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85394909) 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, 3284409 + ... + 3284434.

It is an arithmetic number, because the mean of its divisors is an integer number (22990954).

Almost surely, 2^85394959 is an apocalyptic number.

85394959 is a deficient number, since it is larger than the sum of its proper divisors (6568857).

85394959 is a wasteful number, since it uses less digits than its factorization.

85394959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6568856.

The product of its digits is 1749600, while the sum is 52.

The square root of 85394959 is about 9240.9392920850. The cubic root of 85394959 is about 440.3629219901.

The spelling of 85394959 in words is "eighty-five million, three hundred ninety-four thousand, nine hundred fifty-nine".