85338787 has 4 divisors (see below), whose sum is σ = 85815720. Its totient is φ = 84861856.

The previous prime is 85338779. The next prime is 85338821. The reversal of 85338787 is 78783358.

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 85338787 - 2³ = 85338779 is a prime.

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 Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85338787.

It is not an unprimeable number, because it can be changed into a prime (85338587) 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, 238198 + ... + 238555.

It is an arithmetic number, because the mean of its divisors is an integer number (21453930).

Almost surely, 2^85338787 is an apocalyptic number.

85338787 is a deficient number, since it is larger than the sum of its proper divisors (476933).

85338787 is a wasteful number, since it uses less digits than its factorization.

85338787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476932.

The product of its digits is 1128960, while the sum is 49.

The square root of 85338787 is about 9237.8994906851. The cubic root of 85338787 is about 440.2663452833.

The spelling of 85338787 in words is "eighty-five million, three hundred thirty-eight thousand, seven hundred eighty-seven".