852267978 has 12 divisors (see below), whose sum is σ = 1846580658. Its totient is φ = 284089320.

The previous prime is 852267961. The next prime is 852267989. The reversal of 852267978 is 879762258.

It is a happy number.

852267978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 474237729 + 378030249 = 21777^2 + 19443^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23674093 + ... + 23674128.

Almost surely, 2^852267978 is an apocalyptic number.

852267978 is an abundant number, since it is smaller than the sum of its proper divisors (994312680).

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

852267978 is a wasteful number, since it uses less digits than its factorization.

852267978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47348229 (or 47348226 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 852267978 is about 29193.6290652601. The cubic root of 852267978 is about 948.1099923116.

The spelling of 852267978 in words is "eight hundred fifty-two million, two hundred sixty-seven thousand, nine hundred seventy-eight".