378862271 has 8 divisors (see below), whose sum is σ = 382028400. Its totient is φ = 375708160.

The previous prime is 378862259. The next prime is 378862307. The reversal of 378862271 is 172268873.

It is a happy number.

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 378862271 - 2¹⁰ = 378861247 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 (378862871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66911 + ... + 72351.

It is an arithmetic number, because the mean of its divisors is an integer number (47753550).

Almost surely, 2^378862271 is an apocalyptic number.

378862271 is a deficient number, since it is larger than the sum of its proper divisors (3166129).

378862271 is a wasteful number, since it uses less digits than its factorization.

378862271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6009.

The product of its digits is 225792, while the sum is 44.

The square root of 378862271 is about 19464.3846807445. The cubic root of 378862271 is about 723.5920489778.

The spelling of 378862271 in words is "three hundred seventy-eight million, eight hundred sixty-two thousand, two hundred seventy-one".