387830378142 has 24 divisors (see below), whose sum is σ = 876833899344. Its totient is φ = 123656062464.

The previous prime is 387830378141. The next prime is 387830378149. The reversal of 387830378142 is 241873038783.

It is a happy number.

387830378142 is a `hidden beast` number, since 38 + 78 + 30 + 378 + 142 = 666.

It is a super-2 number, since 2×387830378142² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387830378141) 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, 468393763 + ... + 468394590.

It is an arithmetic number, because the mean of its divisors is an integer number (36534745806).

Almost surely, 2^387830378142 is an apocalyptic number.

387830378142 is an abundant number, since it is smaller than the sum of its proper divisors (489003521202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

387830378142 is a wasteful number, since it uses less digits than its factorization.

387830378142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936788384 (or 936788381 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 387830378142 in words is "three hundred eighty-seven billion, eight hundred thirty million, three hundred seventy-eight thousand, one hundred forty-two".