52844656878 has 64 divisors (see below), whose sum is σ = 126588168000. Its totient is φ = 16244167680.

The previous prime is 52844656877. The next prime is 52844656901. The reversal of 52844656878 is 87865644825.

52844656878 is a `hidden beast` number, since 5 + 28 + 4 + 46 + 568 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52844656877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 700518 + ... + 772278.

It is an arithmetic number, because the mean of its divisors is an integer number (1977940125).

Almost surely, 2^52844656878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52844656878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63294084000).

52844656878 is an abundant number, since it is smaller than the sum of its proper divisors (73743511122).

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

52844656878 is a wasteful number, since it uses less digits than its factorization.

52844656878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72834 (or 72828 counting only the distinct ones).

The product of its digits is 103219200, while the sum is 63.

The spelling of 52844656878 in words is "fifty-two billion, eight hundred forty-four million, six hundred fifty-six thousand, eight hundred seventy-eight".