852794990920 has 16 divisors (see below), whose sum is σ = 1918788729660. Its totient is φ = 341117996352.

The previous prime is 852794990917. The next prime is 852794990969. The reversal of 852794990920 is 29099497258.

It can be written as a sum of positive squares in 2 ways, for example, as 797316841476 + 55478149444 = 892926^2 + 235538^2 .

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 3 ways as a sum of consecutive naturals, for example, 10659937347 + ... + 10659937426.

Almost surely, 2^852794990920 is an apocalyptic number.

It is an amenable number.

852794990920 is an abundant number, since it is smaller than the sum of its proper divisors (1065993738740).

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

852794990920 is a wasteful number, since it uses less digits than its factorization.

852794990920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21319874784 (or 21319874780 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 64.

The spelling of 852794990920 in words is "eight hundred fifty-two billion, seven hundred ninety-four million, nine hundred ninety thousand, nine hundred twenty".