6228757785647 has 2 divisors, whose sum is σ = 6228757785648. Its totient is φ = 6228757785646.

The previous prime is 6228757785587. The next prime is 6228757785667. The reversal of 6228757785647 is 7465877578226.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6228757785647 - 2⁴² = 1830711274543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6228757785667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3114378892823 + 3114378892824.

It is an arithmetic number, because the mean of its divisors is an integer number (3114378892824).

Almost surely, 2^{6228757785647} is an apocalyptic number.

6228757785647 is a deficient number, since it is larger than the sum of its proper divisors (1).

6228757785647 is an equidigital number, since it uses as much as digits as its factorization.

6228757785647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2212761600, while the sum is 74.

The spelling of 6228757785647 in words is "six trillion, two hundred twenty-eight billion, seven hundred fifty-seven million, seven hundred eighty-five thousand, six hundred forty-seven".