852260978 has 4 divisors (see below), whose sum is σ = 1278391470. Its totient is φ = 426130488.

The previous prime is 852260977. The next prime is 852261001. The reversal of 852260978 is 879062258.

852260978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 499835449 + 352425529 = 22357^2 + 18773^2 .

It is not an unprimeable number, because it can be changed into a prime (852260977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213065243 + ... + 213065246.

Almost surely, 2^852260978 is an apocalyptic number.

852260978 is a deficient number, since it is larger than the sum of its proper divisors (426130492).

852260978 is a wasteful number, since it uses less digits than its factorization.

852260978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426130491.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 852260978 is about 29193.5091758425. The cubic root of 852260978 is about 948.1073965755.

The spelling of 852260978 in words is "eight hundred fifty-two million, two hundred sixty thousand, nine hundred seventy-eight".