823255083820 has 48 divisors (see below), whose sum is σ = 1862606386368. Its totient is φ = 303843214080.

The previous prime is 823255083787. The next prime is 823255083869. The reversal of 823255083820 is 28380552328.

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, 45864 + ... + 1283983.

It is an arithmetic number, because the mean of its divisors is an integer number (38804299716).

Almost surely, 2^823255083820 is an apocalyptic number.

It is an amenable number.

823255083820 is an abundant number, since it is smaller than the sum of its proper divisors (1039351302548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

823255083820 is a wasteful number, since it uses less digits than its factorization.

823255083820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332250 (or 1332248 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 823255083820 in words is "eight hundred twenty-three billion, two hundred fifty-five million, eighty-three thousand, eight hundred twenty".