85536878 has 16 divisors (see below), whose sum is σ = 147982560. Its totient is φ = 36321696.

The previous prime is 85536827. The next prime is 85536881. The reversal of 85536878 is 87863558.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26501 + ... + 29552.

It is an arithmetic number, because the mean of its divisors is an integer number (9248910).

Almost surely, 2^85536878 is an apocalyptic number.

85536878 is a deficient number, since it is larger than the sum of its proper divisors (62445682).

85536878 is a wasteful number, since it uses less digits than its factorization.

85536878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56171.

The product of its digits is 1612800, while the sum is 50.

The square root of 85536878 is about 9248.6149233277. The cubic root of 85536878 is about 440.6067352756.

The spelling of 85536878 in words is "eighty-five million, five hundred thirty-six thousand, eight hundred seventy-eight".