85278710 has 64 divisors (see below), whose sum is σ = 179656704. Its totient is φ = 28828800.

The previous prime is 85278709. The next prime is 85278731. The reversal of 85278710 is 1787258.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 93155 + ... + 94065.

It is an arithmetic number, because the mean of its divisors is an integer number (2807136).

Almost surely, 2^85278710 is an apocalyptic number.

85278710 is an abundant number, since it is smaller than the sum of its proper divisors (94377994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85278710 is a wasteful number, since it uses less digits than its factorization.

85278710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989.

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 85278710 is about 9234.6472590998. The cubic root of 85278710 is about 440.1630077845.

The spelling of 85278710 in words is "eighty-five million, two hundred seventy-eight thousand, seven hundred ten".