822623379208 has 16 divisors (see below), whose sum is σ = 1544456388780. Its totient is φ = 410768342208.

The previous prime is 822623379191. The next prime is 822623379247. The reversal of 822623379208 is 802973326228.

It can be written as a sum of positive squares in 2 ways, for example, as 819709322884 + 2914056324 = 905378^2 + 53982^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67911991 + ... + 67924102.

Almost surely, 2^822623379208 is an apocalyptic number.

It is an amenable number.

822623379208 is a deficient number, since it is larger than the sum of its proper divisors (721833009572).

822623379208 is a wasteful number, since it uses less digits than its factorization.

822623379208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135836856 (or 135836852 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 822623379208 in words is "eight hundred twenty-two billion, six hundred twenty-three million, three hundred seventy-nine thousand, two hundred eight".