378353911 has 8 divisors (see below), whose sum is σ = 409736880. Its totient is φ = 347296512.

The previous prime is 378353881. The next prime is 378353939. The reversal of 378353911 is 119353873.

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 378353911 - 2¹⁹ = 377829623 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 (378353011) 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 7 ways as a sum of consecutive naturals, for example, 78970 + ... + 83623.

It is an arithmetic number, because the mean of its divisors is an integer number (51217110).

Almost surely, 2^378353911 is an apocalyptic number.

378353911 is a deficient number, since it is larger than the sum of its proper divisors (31382969).

378353911 is a wasteful number, since it uses less digits than its factorization.

378353911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162785.

The product of its digits is 68040, while the sum is 40.

The square root of 378353911 is about 19451.3215746386. The cubic root of 378353911 is about 723.2682638534.

The spelling of 378353911 in words is "three hundred seventy-eight million, three hundred fifty-three thousand, nine hundred eleven".