852390562500 has 189 divisors, whose sum is σ = 2695472587353. Its totient is φ = 227119500000.

The previous prime is 852390562483. The next prime is 852390562511. The reversal of 852390562500 is 5265093258.

The square root of 852390562500 is 923250.

It is a perfect power (a square), and thus also a powerful number.

852390562500 is a `hidden beast` number, since 8 + 5 + 2 + 3 + 90 + 56 + 2 + 500 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 746775962244 + 105614600256 = 864162^2 + 324984^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 692436885 + ... + 692438115.

Almost surely, 2^852390562500 is an apocalyptic number.

852390562500 is the 923250-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 852390562500

852390562500 is an abundant number, since it is smaller than the sum of its proper divisors (1843082024853).

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

852390562500 is an frugal number, since it uses more digits than its factorization.

852390562500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 852390562500 in words is "eight hundred fifty-two billion, three hundred ninety million, five hundred sixty-two thousand, five hundred".