51827880179 has 2 divisors, whose sum is σ = 51827880180. Its totient is φ = 51827880178.

The previous prime is 51827880157. The next prime is 51827880233. The reversal of 51827880179 is 97108872815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51827880179 - 2¹² = 51827876083 is a prime.

It is a super-2 number, since 2×51827880179² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51827880109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25913940089 + 25913940090.

It is an arithmetic number, because the mean of its divisors is an integer number (25913940090).

Almost surely, 2^51827880179 is an apocalyptic number.

51827880179 is a deficient number, since it is larger than the sum of its proper divisors (1).

51827880179 is an equidigital number, since it uses as much as digits as its factorization.

51827880179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 56.

The spelling of 51827880179 in words is "fifty-one billion, eight hundred twenty-seven million, eight hundred eighty thousand, one hundred seventy-nine".