1228057894827 has 6 divisors (see below), whose sum is σ = 1773861403652. Its totient is φ = 818705263212.

The previous prime is 1228057894823. The next prime is 1228057894879. The reversal of 1228057894827 is 7284987508221.

1228057894827 is a `hidden beast` number, since 1 + 2 + 2 + 80 + 5 + 78 + 9 + 482 + 7 = 666.

It is not a de Polignac number, because 1228057894827 - 2² = 1228057894823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1228057894823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68225438593 + ... + 68225438610.

Almost surely, 2^{1228057894827} is an apocalyptic number.

1228057894827 is a deficient number, since it is larger than the sum of its proper divisors (545803508825).

1228057894827 is a wasteful number, since it uses less digits than its factorization.

1228057894827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136450877209 (or 136450877206 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 63.

The spelling of 1228057894827 in words is "one trillion, two hundred twenty-eight billion, fifty-seven million, eight hundred ninety-four thousand, eight hundred twenty-seven".