387822338887 has 4 divisors (see below), whose sum is σ = 388351428760. Its totient is φ = 387293249016.

The previous prime is 387822338833. The next prime is 387822338909. The reversal of 387822338887 is 788833228783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-387822338887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387822318887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264543837 + ... + 264545302.

It is an arithmetic number, because the mean of its divisors is an integer number (97087857190).

Almost surely, 2^387822338887 is an apocalyptic number.

387822338887 is a deficient number, since it is larger than the sum of its proper divisors (529089873).

387822338887 is an equidigital number, since it uses as much as digits as its factorization.

387822338887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529089872.

The product of its digits is 173408256, while the sum is 67.

The spelling of 387822338887 in words is "three hundred eighty-seven billion, eight hundred twenty-two million, three hundred thirty-eight thousand, eight hundred eighty-seven".