1227625814887 has 2 divisors, whose sum is σ = 1227625814888. Its totient is φ = 1227625814886.

The previous prime is 1227625814869. The next prime is 1227625814911. The reversal of 1227625814887 is 7884185267221.

It is a weak prime.

It is an emirp because it is prime and its reverse (7884185267221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1227625814887 - 2²³ = 1227617426279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1227625814287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613812907443 + 613812907444.

It is an arithmetic number, because the mean of its divisors is an integer number (613812907444).

Almost surely, 2^{1227625814887} is an apocalyptic number.

1227625814887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227625814887 is an equidigital number, since it uses as much as digits as its factorization.

1227625814887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24084480, while the sum is 61.

The spelling of 1227625814887 in words is "one trillion, two hundred twenty-seven billion, six hundred twenty-five million, eight hundred fourteen thousand, eight hundred eighty-seven".