387875838013 has 12 divisors (see below), whose sum is σ = 411509966868. Its totient is φ = 365366610560.

The previous prime is 387875837983. The next prime is 387875838109. The reversal of 387875838013 is 310838578783.

It can be written as a sum of positive squares in 6 ways, for example, as 88838571364 + 299037266649 = 298058^2 + 546843^2 .

It is not a de Polignac number, because 387875838013 - 2⁵ = 387875837981 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 (387875838113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5590006 + ... + 5658967.

It is an arithmetic number, because the mean of its divisors is an integer number (34292497239).

Almost surely, 2^387875838013 is an apocalyptic number.

It is an amenable number.

387875838013 is a deficient number, since it is larger than the sum of its proper divisors (23634128855).

387875838013 is a wasteful number, since it uses less digits than its factorization.

387875838013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11249072 (or 11249043 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 387875838013 in words is "three hundred eighty-seven billion, eight hundred seventy-five million, eight hundred thirty-eight thousand, thirteen".