825059987 has 8 divisors (see below), whose sum is σ = 834462000. Its totient is φ = 815689504.

The previous prime is 825059959. The next prime is 825059999. The reversal of 825059987 is 789950528.

825059987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 825059987 - 2⁸ = 825059731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825059927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46889 + ... + 62037.

It is an arithmetic number, because the mean of its divisors is an integer number (104307750).

Almost surely, 2^825059987 is an apocalyptic number.

825059987 is a deficient number, since it is larger than the sum of its proper divisors (9402013).

825059987 is a wasteful number, since it uses less digits than its factorization.

825059987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15765.

The product of its (nonzero) digits is 1814400, while the sum is 53.

The square root of 825059987 is about 28723.8574533436. The cubic root of 825059987 is about 937.9114589027.

The spelling of 825059987 in words is "eight hundred twenty-five million, fifty-nine thousand, nine hundred eighty-seven".