852878220159 has 64 divisors (see below), whose sum is σ = 1368147787776. Its totient is φ = 462359850624.

The previous prime is 852878220137. The next prime is 852878220193. The reversal of 852878220159 is 951022878258.

It is not a de Polignac number, because 852878220159 - 2⁷ = 852878220031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 852878220099 and 852878220108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852878220559) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19590514 + ... + 19634000.

It is an arithmetic number, because the mean of its divisors is an integer number (21377309184).

Almost surely, 2^852878220159 is an apocalyptic number.

852878220159 is a deficient number, since it is larger than the sum of its proper divisors (515269567617).

852878220159 is a wasteful number, since it uses less digits than its factorization.

852878220159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44164.

The product of its (nonzero) digits is 6451200, while the sum is 57.

The spelling of 852878220159 in words is "eight hundred fifty-two billion, eight hundred seventy-eight million, two hundred twenty thousand, one hundred fifty-nine".