378855711 has 24 divisors (see below), whose sum is σ = 611163280. Its totient is φ = 233140032.

The previous prime is 378855709. The next prime is 378855749. The reversal of 378855711 is 117558873.

378855711 is a `hidden beast` number, since 3 + 7 + 88 + 557 + 11 = 666.

It is not a de Polignac number, because 378855711 - 2¹ = 378855709 is a prime.

It is a super-3 number, since 3×378855711³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378855781) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56806 + ... + 63123.

Almost surely, 2^378855711 is an apocalyptic number.

378855711 is a deficient number, since it is larger than the sum of its proper divisors (232307569).

378855711 is a wasteful number, since it uses less digits than its factorization.

378855711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119957 (or 119945 counting only the distinct ones).

The product of its digits is 235200, while the sum is 45.

The square root of 378855711 is about 19464.2161671104. The cubic root of 378855711 is about 723.5878726217.

The spelling of 378855711 in words is "three hundred seventy-eight million, eight hundred fifty-five thousand, seven hundred eleven".