852129538856 has 16 divisors (see below), whose sum is σ = 1597760052000. Its totient is φ = 426060191664.

The previous prime is 852129538853. The next prime is 852129538859. The reversal of 852129538856 is 658835921258.

It is an interprime number because it is at equal distance from previous prime (852129538853) and next prime (852129538859).

It is a super-2 number, since 2×852129538856² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (852129538853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296471 + ... + 1338713.

It is an arithmetic number, because the mean of its divisors is an integer number (99860003250).

Almost surely, 2^852129538856 is an apocalyptic number.

It is an amenable number.

852129538856 is a deficient number, since it is larger than the sum of its proper divisors (745630513144).

852129538856 is a wasteful number, since it uses less digits than its factorization.

852129538856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144448 (or 1144444 counting only the distinct ones).

The product of its digits is 41472000, while the sum is 62.

The spelling of 852129538856 in words is "eight hundred fifty-two billion, one hundred twenty-nine million, five hundred thirty-eight thousand, eight hundred fifty-six".