378862671 has 16 divisors (see below), whose sum is σ = 555955200. Its totient is φ = 227579520.

The previous prime is 378862669. The next prime is 378862681. The reversal of 378862671 is 176268873.

It is not a de Polignac number, because 378862671 - 2¹ = 378862669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378862671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378862621) 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, 47071 + ... + 54528.

It is an arithmetic number, because the mean of its divisors is an integer number (34747200).

Almost surely, 2^378862671 is an apocalyptic number.

378862671 is a deficient number, since it is larger than the sum of its proper divisors (177092529).

378862671 is a wasteful number, since it uses less digits than its factorization.

378862671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101726.

The product of its digits is 677376, while the sum is 48.

The square root of 378862671 is about 19464.3949559189. The cubic root of 378862671 is about 723.5923036321.

The spelling of 378862671 in words is "three hundred seventy-eight million, eight hundred sixty-two thousand, six hundred seventy-one".