28057177852163 has 2 divisors, whose sum is σ = 28057177852164. Its totient is φ = 28057177852162.

The previous prime is 28057177852087. The next prime is 28057177852241. The reversal of 28057177852163 is 36125877175082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28057177852163 - 2¹⁰ = 28057177851139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28057177852096 and 28057177852105.

It is not a weakly prime, because it can be changed into another prime (28057177852463) 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, 14028588926081 + 14028588926082.

It is an arithmetic number, because the mean of its divisors is an integer number (14028588926082).

Almost surely, 2^{28057177852163} is an apocalyptic number.

28057177852163 is a deficient number, since it is larger than the sum of its proper divisors (1).

28057177852163 is an equidigital number, since it uses as much as digits as its factorization.

28057177852163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39513600, while the sum is 62.

The spelling of 28057177852163 in words is "twenty-eight trillion, fifty-seven billion, one hundred seventy-seven million, eight hundred fifty-two thousand, one hundred sixty-three".