387388625887 has 2 divisors, whose sum is σ = 387388625888. Its totient is φ = 387388625886.

The previous prime is 387388625879. The next prime is 387388625909. The reversal of 387388625887 is 788526883783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 387388625887 - 2³ = 387388625879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387388625807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193694312943 + 193694312944.

It is an arithmetic number, because the mean of its divisors is an integer number (193694312944).

Almost surely, 2^387388625887 is an apocalyptic number.

387388625887 is a deficient number, since it is larger than the sum of its proper divisors (1).

387388625887 is an equidigital number, since it uses as much as digits as its factorization.

387388625887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 867041280, while the sum is 73.

The spelling of 387388625887 in words is "three hundred eighty-seven billion, three hundred eighty-eight million, six hundred twenty-five thousand, eight hundred eighty-seven".