387135406727 has 2 divisors, whose sum is σ = 387135406728. Its totient is φ = 387135406726.

The previous prime is 387135406681. The next prime is 387135406739. The reversal of 387135406727 is 727604531783.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-387135406727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387135406327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193567703363 + 193567703364.

It is an arithmetic number, because the mean of its divisors is an integer number (193567703364).

Almost surely, 2^387135406727 is an apocalyptic number.

387135406727 is a deficient number, since it is larger than the sum of its proper divisors (1).

387135406727 is an equidigital number, since it uses as much as digits as its factorization.

387135406727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5927040, while the sum is 53.

The spelling of 387135406727 in words is "three hundred eighty-seven billion, one hundred thirty-five million, four hundred six thousand, seven hundred twenty-seven".