378214871 has 4 divisors (see below), whose sum is σ = 379797600. Its totient is φ = 376632144.

The previous prime is 378214853. The next prime is 378214877. The reversal of 378214871 is 178412873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 178412873 = 59 ⋅3023947.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378214871 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 (378214877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791006 + ... + 791483.

It is an arithmetic number, because the mean of its divisors is an integer number (94949400).

Almost surely, 2^378214871 is an apocalyptic number.

378214871 is a deficient number, since it is larger than the sum of its proper divisors (1582729).

378214871 is a wasteful number, since it uses less digits than its factorization.

378214871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582728.

The product of its digits is 75264, while the sum is 41.

The square root of 378214871 is about 19447.7471960122. The cubic root of 378214871 is about 723.1796558619.

The spelling of 378214871 in words is "three hundred seventy-eight million, two hundred fourteen thousand, eight hundred seventy-one".