85872878 has 32 divisors (see below), whose sum is σ = 159398400. Its totient is φ = 33786720.

The previous prime is 85872863. The next prime is 85872887. The reversal of 85872878 is 87827858.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35033 + ... + 37403.

It is an arithmetic number, because the mean of its divisors is an integer number (4981200).

Almost surely, 2^85872878 is an apocalyptic number.

85872878 is a deficient number, since it is larger than the sum of its proper divisors (73525522).

85872878 is a wasteful number, since it uses less digits than its factorization.

85872878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592.

The product of its digits is 2007040, while the sum is 53.

The square root of 85872878 is about 9266.7620019077. The cubic root of 85872878 is about 441.1829017325.

The spelling of 85872878 in words is "eighty-five million, eight hundred seventy-two thousand, eight hundred seventy-eight".