52878516315823 has 8 divisors (see below), whose sum is σ = 59546481716736. Its totient is φ = 46520688840600.

The previous prime is 52878516315799. The next prime is 52878516315851. The reversal of 52878516315823 is 32851361587825.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52878516315823 is a prime.

It is a super-2 number, since 2×52878516315823² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52878516315853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77534481061 + ... + 77534481742.

It is an arithmetic number, because the mean of its divisors is an integer number (7443310214592).

Almost surely, 2^{52878516315823} is an apocalyptic number.

52878516315823 is a deficient number, since it is larger than the sum of its proper divisors (6667965400913).

52878516315823 is a wasteful number, since it uses less digits than its factorization.

52878516315823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155068962845.

The product of its digits is 96768000, while the sum is 64.

The spelling of 52878516315823 in words is "fifty-two trillion, eight hundred seventy-eight billion, five hundred sixteen million, three hundred fifteen thousand, eight hundred twenty-three".