808055772 has 24 divisors (see below), whose sum is σ = 1925581056. Its totient is φ = 263620848.

The previous prime is 808055771. The next prime is 808055779. The reversal of 808055772 is 277550808.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808055771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715798 + ... + 716925.

It is an arithmetic number, because the mean of its divisors is an integer number (80232544).

Almost surely, 2^808055772 is an apocalyptic number.

It is an amenable number.

808055772 is an abundant number, since it is smaller than the sum of its proper divisors (1117525284).

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

808055772 is a wasteful number, since it uses less digits than its factorization.

808055772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432777 (or 1432775 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 42.

The square root of 808055772 is about 28426.3218162322. The cubic root of 808055772 is about 931.4233309963.

The spelling of 808055772 in words is "eight hundred eight million, fifty-five thousand, seven hundred seventy-two".