378832831387 has 16 divisors (see below), whose sum is σ = 416413013760. Its totient is φ = 343039590432.

The previous prime is 378832831369. The next prime is 378832831439. The reversal of 378832831387 is 783138238873.

It is a cyclic number.

It is not a de Polignac number, because 378832831387 - 2¹¹ = 378832829339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378832811387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284308 + ... + 915694.

It is an arithmetic number, because the mean of its divisors is an integer number (26025813360).

Almost surely, 2^378832831387 is an apocalyptic number.

378832831387 is a deficient number, since it is larger than the sum of its proper divisors (37580182373).

378832831387 is a wasteful number, since it uses less digits than its factorization.

378832831387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632802.

The product of its digits is 32514048, while the sum is 61.

The spelling of 378832831387 in words is "three hundred seventy-eight billion, eight hundred thirty-two million, eight hundred thirty-one thousand, three hundred eighty-seven".