85389358 has 4 divisors (see below), whose sum is σ = 128084040. Its totient is φ = 42694678.

The previous prime is 85389349. The next prime is 85389373. The reversal of 85389358 is 85398358.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85398358 = 2 ⋅42699179.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21347338 + ... + 21347341.

It is an arithmetic number, because the mean of its divisors is an integer number (32021010).

Almost surely, 2^85389358 is an apocalyptic number.

85389358 is a deficient number, since it is larger than the sum of its proper divisors (42694682).

85389358 is a wasteful number, since it uses less digits than its factorization.

85389358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42694681.

The product of its digits is 1036800, while the sum is 49.

The square root of 85389358 is about 9240.6362335069. The cubic root of 85389358 is about 440.3532940734.

The spelling of 85389358 in words is "eighty-five million, three hundred eighty-nine thousand, three hundred fifty-eight".