378865711 has 8 divisors (see below), whose sum is σ = 433139840. Its totient is φ = 324629208.

The previous prime is 378865699. The next prime is 378865717. The reversal of 378865711 is 117568873.

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 378865711 - 2⁵ = 378865679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378865717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17200 + ... + 32458.

It is an arithmetic number, because the mean of its divisors is an integer number (54142480).

Almost surely, 2^378865711 is an apocalyptic number.

378865711 is a deficient number, since it is larger than the sum of its proper divisors (54274129).

378865711 is a wasteful number, since it uses less digits than its factorization.

378865711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18813.

The product of its digits is 282240, while the sum is 46.

The square root of 378865711 is about 19464.4730470671. The cubic root of 378865711 is about 723.5942389989.

The spelling of 378865711 in words is "three hundred seventy-eight million, eight hundred sixty-five thousand, seven hundred eleven".