852520084929 has 6 divisors (see below), whose sum is σ = 1231417900466. Its totient is φ = 568346723280.

The previous prime is 852520084901. The next prime is 852520084937. The reversal of 852520084929 is 929480025258.

It is a happy number.

852520084929 is a `hidden beast` number, since 8 + 52 + 520 + 0 + 8 + 49 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 806143601025 + 46376483904 = 897855^2 + 215352^2 .

It is not a de Polignac number, because 852520084929 - 2³³ = 843930150337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852520084939) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47362226932 + ... + 47362226949.

Almost surely, 2^852520084929 is an apocalyptic number.

It is an amenable number.

852520084929 is a deficient number, since it is larger than the sum of its proper divisors (378897815537).

852520084929 is a wasteful number, since it uses less digits than its factorization.

852520084929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94724453887 (or 94724453884 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 852520084929 in words is "eight hundred fifty-two billion, five hundred twenty million, eighty-four thousand, nine hundred twenty-nine".