825134378 has 8 divisors (see below), whose sum is σ = 1277627520. Its totient is φ = 399258540.

The previous prime is 825134377. The next prime is 825134417. The reversal of 825134378 is 873431528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (825134371) 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, 6654248 + ... + 6654371.

It is an arithmetic number, because the mean of its divisors is an integer number (159703440).

Almost surely, 2^825134378 is an apocalyptic number.

825134378 is a deficient number, since it is larger than the sum of its proper divisors (452493142).

825134378 is a wasteful number, since it uses less digits than its factorization.

825134378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13308652.

The product of its digits is 161280, while the sum is 41.

The square root of 825134378 is about 28725.1523581686. The cubic root of 825134378 is about 937.9396467822.

The spelling of 825134378 in words is "eight hundred twenty-five million, one hundred thirty-four thousand, three hundred seventy-eight".