85388371 has 4 divisors (see below), whose sum is σ = 85459752. Its totient is φ = 85316992.

The previous prime is 85388333. The next prime is 85388377. The reversal of 85388371 is 17388358.

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

It is a cyclic number.

It is not a de Polignac number, because 85388371 - 2¹³ = 85380179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85388377) 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, 33865 + ... + 36298.

It is an arithmetic number, because the mean of its divisors is an integer number (21364938).

Almost surely, 2^85388371 is an apocalyptic number.

85388371 is a deficient number, since it is larger than the sum of its proper divisors (71381).

85388371 is a wasteful number, since it uses less digits than its factorization.

85388371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71380.

The product of its digits is 161280, while the sum is 43.

The square root of 85388371 is about 9240.5828279389. The cubic root of 85388371 is about 440.3515974125.

The spelling of 85388371 in words is "eighty-five million, three hundred eighty-eight thousand, three hundred seventy-one".