852254778 has 16 divisors (see below), whose sum is σ = 1804775040. Its totient is φ = 267374016.

The previous prime is 852254737. The next prime is 852254827. The reversal of 852254778 is 877452258.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4177618 + ... + 4177821.

It is an arithmetic number, because the mean of its divisors is an integer number (112798440).

Almost surely, 2^852254778 is an apocalyptic number.

852254778 is an abundant number, since it is smaller than the sum of its proper divisors (952520262).

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

852254778 is a wasteful number, since it uses less digits than its factorization.

852254778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8355461.

The product of its digits is 1254400, while the sum is 48.

The square root of 852254778 is about 29193.4029876614. The cubic root of 852254778 is about 948.1050974832.

The spelling of 852254778 in words is "eight hundred fifty-two million, two hundred fifty-four thousand, seven hundred seventy-eight".