85125887 has 12 divisors (see below), whose sum is σ = 108026856. Its totient is φ = 66331440.

The previous prime is 85125877. The next prime is 85125889. The reversal of 85125887 is 78852158.

It is not a de Polignac number, because 85125887 - 2⁸ = 85125631 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85125889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78428 + ... + 79505.

It is an arithmetic number, because the mean of its divisors is an integer number (9002238).

Almost surely, 2^85125887 is an apocalyptic number.

85125887 is a deficient number, since it is larger than the sum of its proper divisors (22900969).

85125887 is a wasteful number, since it uses less digits than its factorization.

85125887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157958 (or 157951 counting only the distinct ones).

The product of its digits is 179200, while the sum is 44.

The square root of 85125887 is about 9226.3691124949. The cubic root of 85125887 is about 439.8999204201.

The spelling of 85125887 in words is "eighty-five million, one hundred twenty-five thousand, eight hundred eighty-seven".