387728008663 has 2 divisors, whose sum is σ = 387728008664. Its totient is φ = 387728008662.

The previous prime is 387728008637. The next prime is 387728008783. The reversal of 387728008663 is 366800827783.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-387728008663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 387728008598 and 387728008607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387728008163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193864004331 + 193864004332.

It is an arithmetic number, because the mean of its divisors is an integer number (193864004332).

Almost surely, 2^387728008663 is an apocalyptic number.

387728008663 is a deficient number, since it is larger than the sum of its proper divisors (1).

387728008663 is an equidigital number, since it uses as much as digits as its factorization.

387728008663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16257024, while the sum is 58.

The spelling of 387728008663 in words is "three hundred eighty-seven billion, seven hundred twenty-eight million, eight thousand, six hundred sixty-three".