852938978 has 8 divisors (see below), whose sum is σ = 1279543980. Its totient is φ = 426424320.

The previous prime is 852938971. The next prime is 852939037. The reversal of 852938978 is 879839258.

852938978 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 2 ways, for example, as 847799689 + 5139289 = 29117^2 + 2267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (852938971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11018 + ... + 42746.

Almost surely, 2^852938978 is an apocalyptic number.

852938978 is a deficient number, since it is larger than the sum of its proper divisors (426605002).

852938978 is a wasteful number, since it uses less digits than its factorization.

852938978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45172.

The product of its digits is 8709120, while the sum is 59.

The square root of 852938978 is about 29205.1190375934. The cubic root of 852938978 is about 948.3587461998.

The spelling of 852938978 in words is "eight hundred fifty-two million, nine hundred thirty-eight thousand, nine hundred seventy-eight".