852197136 has 80 divisors (see below), whose sum is σ = 2577418368. Its totient is φ = 237542400.

The previous prime is 852197119. The next prime is 852197141. The reversal of 852197136 is 631791258.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17155 + ... + 44706.

Almost surely, 2^852197136 is an apocalyptic number.

It is an amenable number.

852197136 is an abundant number, since it is smaller than the sum of its proper divisors (1725221232).

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

852197136 is a wasteful number, since it uses less digits than its factorization.

852197136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61920 (or 61914 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 852197136 is about 29192.4157273769. The cubic root of 852197136 is about 948.0837220652.

The spelling of 852197136 in words is "eight hundred fifty-two million, one hundred ninety-seven thousand, one hundred thirty-six".