828995865 has 16 divisors (see below), whose sum is σ = 1326803328. Its totient is φ = 441994496.

The previous prime is 828995819. The next prime is 828995873. The reversal of 828995865 is 568599828.

828995865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 828995865 - 2¹¹ = 828993817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 828995799 and 828995808.

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, 58684 + ... + 71426.

It is an arithmetic number, because the mean of its divisors is an integer number (82925208).

Almost surely, 2^828995865 is an apocalyptic number.

It is an amenable number.

828995865 is a deficient number, since it is larger than the sum of its proper divisors (497807463).

828995865 is a wasteful number, since it uses less digits than its factorization.

828995865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17088.

The product of its digits is 12441600, while the sum is 60.

The square root of 828995865 is about 28792.2882904433. The cubic root of 828995865 is about 939.4005023822.

The spelling of 828995865 in words is "eight hundred twenty-eight million, nine hundred ninety-five thousand, eight hundred sixty-five".