825785914 has 24 divisors (see below), whose sum is σ = 1335158964. Its totient is φ = 381628800.

The previous prime is 825785903. The next prime is 825785953. The reversal of 825785914 is 419587528.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 806276025 + 19509889 = 28395^2 + 4417^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1308379 + ... + 1309009.

Almost surely, 2^825785914 is an apocalyptic number.

825785914 is a deficient number, since it is larger than the sum of its proper divisors (509373050).

825785914 is an equidigital number, since it uses as much as digits as its factorization.

825785914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342 (or 711 counting only the distinct ones).

The product of its digits is 806400, while the sum is 49.

The square root of 825785914 is about 28736.4909827209. The cubic root of 825785914 is about 938.1864512979.

The spelling of 825785914 in words is "eight hundred twenty-five million, seven hundred eighty-five thousand, nine hundred fourteen".