387123546487 has 2 divisors, whose sum is σ = 387123546488. Its totient is φ = 387123546486.

The previous prime is 387123546473. The next prime is 387123546497. The reversal of 387123546487 is 784645321783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 387123546487 - 2¹⁵ = 387123513719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387123546437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193561773243 + 193561773244.

It is an arithmetic number, because the mean of its divisors is an integer number (193561773244).

Almost surely, 2^387123546487 is an apocalyptic number.

387123546487 is a deficient number, since it is larger than the sum of its proper divisors (1).

387123546487 is an equidigital number, since it uses as much as digits as its factorization.

387123546487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27095040, while the sum is 58.

The spelling of 387123546487 in words is "three hundred eighty-seven billion, one hundred twenty-three million, five hundred forty-six thousand, four hundred eighty-seven".