52879977990 has 192 divisors, whose sum is σ = 162825062400. Its totient is φ = 11655850752.

The previous prime is 52879977961. The next prime is 52879978007. The reversal of 52879977990 is 9977997825.

52879977990 is a `hidden beast` number, since 528 + 7 + 9 + 9 + 7 + 7 + 9 + 90 = 666.

52879977990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2127756 + ... + 2152464.

It is an arithmetic number, because the mean of its divisors is an integer number (848047200).

Almost surely, 2^52879977990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52879977990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81412531200).

52879977990 is an abundant number, since it is smaller than the sum of its proper divisors (109945084410).

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

52879977990 is a wasteful number, since it uses less digits than its factorization.

52879977990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24851 (or 24848 counting only the distinct ones).

The product of its (nonzero) digits is 180033840, while the sum is 72.

The spelling of 52879977990 in words is "fifty-two billion, eight hundred seventy-nine million, nine hundred seventy-seven thousand, nine hundred ninety".