825689360 has 20 divisors (see below), whose sum is σ = 1919727948. Its totient is φ = 330275712.

The previous prime is 825689339. The next prime is 825689387. The reversal of 825689360 is 63986528.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 509134096 + 316555264 = 22564^2 + 17792^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5160479 + ... + 5160638.

Almost surely, 2^825689360 is an apocalyptic number.

825689360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

825689360 is an abundant number, since it is smaller than the sum of its proper divisors (1094038588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825689360 is a wasteful number, since it uses less digits than its factorization.

825689360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10321130 (or 10321124 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 825689360 is about 28734.8109442189. The cubic root of 825689360 is about 938.1498844413.

The spelling of 825689360 in words is "eight hundred twenty-five million, six hundred eighty-nine thousand, three hundred sixty".