387878904039 has 8 divisors (see below), whose sum is σ = 564187496832. Its totient is φ = 235078123640.

The previous prime is 387878904019. The next prime is 387878904043. The reversal of 387878904039 is 930409878783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 387878904039 - 2²¹ = 387876806887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387878904019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5876953059 + ... + 5876953124.

It is an arithmetic number, because the mean of its divisors is an integer number (70523437104).

Almost surely, 2^387878904039 is an apocalyptic number.

387878904039 is a deficient number, since it is larger than the sum of its proper divisors (176308592793).

387878904039 is a wasteful number, since it uses less digits than its factorization.

387878904039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11753906197.

The product of its (nonzero) digits is 73156608, while the sum is 66.

The spelling of 387878904039 in words is "three hundred eighty-seven billion, eight hundred seventy-eight million, nine hundred four thousand, thirty-nine".