378141771 has 12 divisors (see below), whose sum is σ = 586505832. Its totient is φ = 216080928.

The previous prime is 378141767. The next prime is 378141839. The reversal of 378141771 is 177141873.

It is a happy number.

It is not a de Polignac number, because 378141771 - 2² = 378141767 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378141721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1286050 + ... + 1286343.

It is an arithmetic number, because the mean of its divisors is an integer number (48875486).

Almost surely, 2^378141771 is an apocalyptic number.

378141771 is a deficient number, since it is larger than the sum of its proper divisors (208364061).

378141771 is a wasteful number, since it uses less digits than its factorization.

378141771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572410 (or 2572403 counting only the distinct ones).

The product of its digits is 32928, while the sum is 39.

The square root of 378141771 is about 19445.8677101332. The cubic root of 378141771 is about 723.1330616786.

The spelling of 378141771 in words is "three hundred seventy-eight million, one hundred forty-one thousand, seven hundred seventy-one".