825890755 has 12 divisors (see below), whose sum is σ = 997011360. Its totient is φ = 656774432.

The previous prime is 825890749. The next prime is 825890789. The reversal of 825890755 is 557098528.

825890755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-825890755 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 825890699 and 825890708.

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, 146886 + ... + 152404.

It is an arithmetic number, because the mean of its divisors is an integer number (83084280).

Almost surely, 2^825890755 is an apocalyptic number.

825890755 is a deficient number, since it is larger than the sum of its proper divisors (171120605).

825890755 is an equidigital number, since it uses as much as digits as its factorization.

825890755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5870 (or 5697 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 49.

The square root of 825890755 is about 28738.3151037078. The cubic root of 825890755 is about 938.2261533732.

The spelling of 825890755 in words is "eight hundred twenty-five million, eight hundred ninety thousand, seven hundred fifty-five".