85202878 has 16 divisors (see below), whose sum is σ = 142445520. Its totient is φ = 37984896.

The previous prime is 85202863. The next prime is 85202881. The reversal of 85202878 is 87820258.

It is a self number, because there is not a number n which added to its sum of digits gives 85202878.

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, 65301 + ... + 66592.

It is an arithmetic number, because the mean of its divisors is an integer number (8902845).

Almost surely, 2^85202878 is an apocalyptic number.

85202878 is a deficient number, since it is larger than the sum of its proper divisors (57242642).

85202878 is a wasteful number, since it uses less digits than its factorization.

85202878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131931.

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 85202878 is about 9230.5405042175. The cubic root of 85202878 is about 440.0325010427.

The spelling of 85202878 in words is "eighty-five million, two hundred two thousand, eight hundred seventy-eight".