52179217827 has 32 divisors (see below), whose sum is σ = 76115718144. Its totient is φ = 31532810400.

The previous prime is 52179217771. The next prime is 52179217843. The reversal of 52179217827 is 72871297125.

It is a happy number.

It is not a de Polignac number, because 52179217827 - 2¹⁸ = 52178955683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52179217827.

It is not an unprimeable number, because it can be changed into a prime (52179210827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25000978 + ... + 25003064.

It is an arithmetic number, because the mean of its divisors is an integer number (2378616192).

Almost surely, 2^52179217827 is an apocalyptic number.

52179217827 is a deficient number, since it is larger than the sum of its proper divisors (23936500317).

52179217827 is a wasteful number, since it uses less digits than its factorization.

52179217827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3919.

The product of its digits is 987840, while the sum is 51.

The spelling of 52179217827 in words is "fifty-two billion, one hundred seventy-nine million, two hundred seventeen thousand, eight hundred twenty-seven".