18764128088627 has 2 divisors, whose sum is σ = 18764128088628. Its totient is φ = 18764128088626.

The previous prime is 18764128088623. The next prime is 18764128088669. The reversal of 18764128088627 is 72688082146781.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18764128088627 - 2² = 18764128088623 is a prime.

It is not a weakly prime, because it can be changed into another prime (18764128088623) 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, 9382064044313 + 9382064044314.

It is an arithmetic number, because the mean of its divisors is an integer number (9382064044314).

Almost surely, 2^{18764128088627} is an apocalyptic number.

18764128088627 is a deficient number, since it is larger than the sum of its proper divisors (1).

18764128088627 is an equidigital number, since it uses as much as digits as its factorization.

18764128088627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115605504, while the sum is 68.

The spelling of 18764128088627 in words is "eighteen trillion, seven hundred sixty-four billion, one hundred twenty-eight million, eighty-eight thousand, six hundred twenty-seven".