382506645887 has 2 divisors, whose sum is σ = 382506645888. Its totient is φ = 382506645886.

The previous prime is 382506645841. The next prime is 382506645893. The reversal of 382506645887 is 788546605283.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (788546605283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 382506645887 - 2¹² = 382506641791 is a prime.

It is a super-2 number, since 2×382506645887² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (382506635887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191253322943 + 191253322944.

It is an arithmetic number, because the mean of its divisors is an integer number (191253322944).

Almost surely, 2^382506645887 is an apocalyptic number.

382506645887 is a deficient number, since it is larger than the sum of its proper divisors (1).

382506645887 is an equidigital number, since it uses as much as digits as its factorization.

382506645887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77414400, while the sum is 62.

The spelling of 382506645887 in words is "three hundred eighty-two billion, five hundred six million, six hundred forty-five thousand, eight hundred eighty-seven".