825500799 has 24 divisors (see below), whose sum is σ = 1221792000. Its totient is φ = 536799312.

The previous prime is 825500789. The next prime is 825500831. The reversal of 825500799 is 997005528.

It is a happy number.

825500799 is a `hidden beast` number, since 8 + 2 + 550 + 0 + 7 + 99 = 666.

825500799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 825500799 - 2⁹ = 825500287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825500729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 549952 + ... + 551450.

It is an arithmetic number, because the mean of its divisors is an integer number (50908000).

Almost surely, 2^825500799 is an apocalyptic number.

825500799 is a deficient number, since it is larger than the sum of its proper divisors (396291201).

825500799 is a wasteful number, since it uses less digits than its factorization.

825500799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971 (or 2968 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 825500799 is about 28731.5297017058. The cubic root of 825500799 is about 938.0784645439.

The spelling of 825500799 in words is "eight hundred twenty-five million, five hundred thousand, seven hundred ninety-nine".