808769052 has 144 divisors (see below), whose sum is σ = 2603240640. Its totient is φ = 205922304.

The previous prime is 808769047. The next prime is 808769053. The reversal of 808769052 is 250967808.

It is a junction number, because it is equal to n+sod(n) for n = 808768989 and 808769007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808769053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90748 + ... + 99260.

It is an arithmetic number, because the mean of its divisors is an integer number (18078060).

Almost surely, 2^808769052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808769052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301620320).

808769052 is an abundant number, since it is smaller than the sum of its proper divisors (1794471588).

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

808769052 is a wasteful number, since it uses less digits than its factorization.

808769052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8572 (or 8567 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 808769052 is about 28438.8651672320. The cubic root of 808769052 is about 931.6973097122.

The spelling of 808769052 in words is "eight hundred eight million, seven hundred sixty-nine thousand, fifty-two".