822784965 has 16 divisors (see below), whose sum is σ = 1316843136. Its totient is φ = 438689600.

The previous prime is 822784933. The next prime is 822784969. The reversal of 822784965 is 569487228.

It is not a de Polignac number, because 822784965 - 2⁵ = 822784933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822784969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67435 + ... + 78695.

It is an arithmetic number, because the mean of its divisors is an integer number (82302696).

Almost surely, 2^822784965 is an apocalyptic number.

It is an amenable number.

822784965 is a deficient number, since it is larger than the sum of its proper divisors (494058171).

822784965 is a wasteful number, since it uses less digits than its factorization.

822784965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16140.

The product of its digits is 1935360, while the sum is 51.

The square root of 822784965 is about 28684.2285062715. The cubic root of 822784965 is about 937.0485990434.

The spelling of 822784965 in words is "eight hundred twenty-two million, seven hundred eighty-four thousand, nine hundred sixty-five".