52868853865 has 8 divisors (see below), whose sum is σ = 63449938440. Its totient is φ = 42290207232.

The previous prime is 52868853841. The next prime is 52868853887. The reversal of 52868853865 is 56835886825.

52868853865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 277522281 + 52591331584 = 16659^2 + 229328^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52868853865 - 2⁹ = 52868853353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52868853797 and 52868853806.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561430 + ... + 648799.

It is an arithmetic number, because the mean of its divisors is an integer number (7931242305).

Almost surely, 2^52868853865 is an apocalyptic number.

It is an amenable number.

52868853865 is a deficient number, since it is larger than the sum of its proper divisors (10581084575).

52868853865 is a wasteful number, since it uses less digits than its factorization.

52868853865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218971.

The product of its digits is 110592000, while the sum is 64.

The spelling of 52868853865 in words is "fifty-two billion, eight hundred sixty-eight million, eight hundred fifty-three thousand, eight hundred sixty-five".