384681949887 has 32 divisors (see below), whose sum is σ = 536463277056. Its totient is φ = 244730534400.

The previous prime is 384681949849. The next prime is 384681949907. The reversal of 384681949887 is 788949186483.

It is not a de Polignac number, because 384681949887 - 2⁷ = 384681949759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384681149887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70828062 + ... + 70833492.

It is an arithmetic number, because the mean of its divisors is an integer number (16764477408).

Almost surely, 2^384681949887 is an apocalyptic number.

384681949887 is a deficient number, since it is larger than the sum of its proper divisors (151781327169).

384681949887 is a wasteful number, since it uses less digits than its factorization.

384681949887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7671.

The product of its digits is 668860416, while the sum is 75.

The spelling of 384681949887 in words is "three hundred eighty-four billion, six hundred eighty-one million, nine hundred forty-nine thousand, eight hundred eighty-seven".