378825892 has 24 divisors (see below), whose sum is σ = 702751896. Its totient is φ = 178065408.

The previous prime is 378825883. The next prime is 378825901. The reversal of 378825892 is 298528873.

It is an interprime number because it is at equal distance from previous prime (378825883) and next prime (378825901).

It can be written as a sum of positive squares in 4 ways, for example, as 307862116 + 70963776 = 17546^2 + 8424^2 .

It is an unprimeable number.

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, 67548 + ... + 72940.

It is an arithmetic number, because the mean of its divisors is an integer number (29281329).

Almost surely, 2^378825892 is an apocalyptic number.

It is an amenable number.

378825892 is a deficient number, since it is larger than the sum of its proper divisors (323926004).

378825892 is a wasteful number, since it uses less digits than its factorization.

378825892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6447 (or 6445 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 52.

The square root of 378825892 is about 19463.4501566398. The cubic root of 378825892 is about 723.5688880564.

The spelling of 378825892 in words is "three hundred seventy-eight million, eight hundred twenty-five thousand, eight hundred ninety-two".