27170026553 has 2 divisors, whose sum is σ = 27170026554. Its totient is φ = 27170026552.

The previous prime is 27170026529. The next prime is 27170026567. The reversal of 27170026553 is 35562007172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26990546944 + 179479609 = 164288^2 + 13397^2 .

It is a cyclic number.

It is not a de Polignac number, because 27170026553 - 2⁶ = 27170026489 is a prime.

It is not a weakly prime, because it can be changed into another prime (27170023553) 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 as a sum of consecutive naturals, namely, 13585013276 + 13585013277.

It is an arithmetic number, because the mean of its divisors is an integer number (13585013277).

Almost surely, 2^27170026553 is an apocalyptic number.

It is an amenable number.

27170026553 is a deficient number, since it is larger than the sum of its proper divisors (1).

27170026553 is an equidigital number, since it uses as much as digits as its factorization.

27170026553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 38.

The spelling of 27170026553 in words is "twenty-seven billion, one hundred seventy million, twenty-six thousand, five hundred fifty-three".