52128483547878 has 24 divisors (see below), whose sum is σ = 113265005343048. Its totient is φ = 17326936927872.

The previous prime is 52128483547859. The next prime is 52128483547891. The reversal of 52128483547878 is 87874538482125.

52128483547878 is a `hidden beast` number, since 5 + 2 + 1 + 2 + 8 + 4 + 8 + 3 + 547 + 8 + 78 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4102014700 + ... + 4102027407.

It is an arithmetic number, because the mean of its divisors is an integer number (4719375222627).

Almost surely, 2^{52128483547878} is an apocalyptic number.

52128483547878 is an abundant number, since it is smaller than the sum of its proper divisors (61136521795170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52128483547878 is a wasteful number, since it uses less digits than its factorization.

52128483547878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8204042468 (or 8204042465 counting only the distinct ones).

The product of its digits is 963379200, while the sum is 72.

The spelling of 52128483547878 in words is "fifty-two trillion, one hundred twenty-eight billion, four hundred eighty-three million, five hundred forty-seven thousand, eight hundred seventy-eight".