827818045 has 16 divisors (see below), whose sum is σ = 999429120. Its totient is φ = 658237824.

The previous prime is 827817961. The next prime is 827818067. The reversal of 827818045 is 540818728.

It is a cyclic number.

It is not a de Polignac number, because 827818045 - 2¹⁹ = 827293757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 827817992 and 827818010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749964 + ... + 751066.

It is an arithmetic number, because the mean of its divisors is an integer number (62464320).

Almost surely, 2^827818045 is an apocalyptic number.

It is an amenable number.

827818045 is a deficient number, since it is larger than the sum of its proper divisors (171611075).

827818045 is a wasteful number, since it uses less digits than its factorization.

827818045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884.

The product of its (nonzero) digits is 143360, while the sum is 43.

The square root of 827818045 is about 28771.8272794760. The cubic root of 827818045 is about 938.9553979835.

The spelling of 827818045 in words is "eight hundred twenty-seven million, eight hundred eighteen thousand, forty-five".