85388859 has 12 divisors (see below), whose sum is σ = 126673456. Its totient is φ = 55387152.

The previous prime is 85388827. The next prime is 85388861. The reversal of 85388859 is 95888358.

It is not a de Polignac number, because 85388859 - 2⁵ = 85388827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85388819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127879 + ... + 128544.

Almost surely, 2^85388859 is an apocalyptic number.

85388859 is a deficient number, since it is larger than the sum of its proper divisors (41284597).

85388859 is a wasteful number, since it uses less digits than its factorization.

85388859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256466 (or 256463 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The square root of 85388859 is about 9240.6092331621. The cubic root of 85388859 is about 440.3524362900.

The spelling of 85388859 in words is "eighty-five million, three hundred eighty-eight thousand, eight hundred fifty-nine".