378131876 has 6 divisors (see below), whose sum is σ = 661730790. Its totient is φ = 189065936.

The previous prime is 378131851. The next prime is 378131879. The reversal of 378131876 is 678131873.

It can be written as a sum of positive squares in only one way, i.e., 226201600 + 151930276 = 15040^2 + 12326^2 .

It is not an unprimeable number, because it can be changed into a prime (378131879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47266481 + ... + 47266488.

It is an arithmetic number, because the mean of its divisors is an integer number (110288465).

Almost surely, 2^378131876 is an apocalyptic number.

It is an amenable number.

378131876 is a deficient number, since it is larger than the sum of its proper divisors (283598914).

378131876 is a wasteful number, since it uses less digits than its factorization.

378131876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94532973 (or 94532971 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 378131876 is about 19445.6132842346. The cubic root of 378131876 is about 723.1267541113.

The spelling of 378131876 in words is "three hundred seventy-eight million, one hundred thirty-one thousand, eight hundred seventy-six".