1228495068477 has 32 divisors (see below), whose sum is σ = 1981843248000. Its totient is φ = 749136729600.

The previous prime is 1228495068457. The next prime is 1228495068491. The reversal of 1228495068477 is 7748605948221.

It is a happy number.

1228495068477 is a `hidden beast` number, since 1 + 2 + 2 + 8 + 49 + 506 + 84 + 7 + 7 = 666.

It is not a de Polignac number, because 1228495068477 - 2¹¹ = 1228495066429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228495068407) 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 in 31 ways as a sum of consecutive naturals, for example, 41273524 + ... + 41303277.

It is an arithmetic number, because the mean of its divisors is an integer number (61932601500).

Almost surely, 2^{1228495068477} is an apocalyptic number.

It is an amenable number.

1228495068477 is a deficient number, since it is larger than the sum of its proper divisors (753348179523).

1228495068477 is a wasteful number, since it uses less digits than its factorization.

1228495068477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82576858 (or 82576852 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 63.

The spelling of 1228495068477 in words is "one trillion, two hundred twenty-eight billion, four hundred ninety-five million, sixty-eight thousand, four hundred seventy-seven".