1228833763847 has 2 divisors, whose sum is σ = 1228833763848. Its totient is φ = 1228833763846.

The previous prime is 1228833763819. The next prime is 1228833763879. The reversal of 1228833763847 is 7483673388221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1228833763847 - 2¹⁶ = 1228833698311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1228833763847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228833763747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614416881923 + 614416881924.

It is an arithmetic number, because the mean of its divisors is an integer number (614416881924).

Almost surely, 2^{1228833763847} is an apocalyptic number.

1228833763847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228833763847 is an equidigital number, since it uses as much as digits as its factorization.

1228833763847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65028096, while the sum is 62.

The spelling of 1228833763847 in words is "one trillion, two hundred twenty-eight billion, eight hundred thirty-three million, seven hundred sixty-three thousand, eight hundred forty-seven".