808081768 has 16 divisors (see below), whose sum is σ = 1631703780. Its totient is φ = 372960768.

The previous prime is 808081741. The next prime is 808081777. The reversal of 808081768 is 867180808.

It can be written as a sum of positive squares in 2 ways, for example, as 804403044 + 3678724 = 28362^2 + 1918^2 .

It is a super-2 number, since 2×808081768² = 1305992287548011648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3884905 + ... + 3885112.

Almost surely, 2^808081768 is an apocalyptic number.

It is an amenable number.

808081768 is an abundant number, since it is smaller than the sum of its proper divisors (823622012).

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

808081768 is a wasteful number, since it uses less digits than its factorization.

808081768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7770036 (or 7770032 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 46.

The square root of 808081768 is about 28426.7790648184. The cubic root of 808081768 is about 931.4333191770.

The spelling of 808081768 in words is "eight hundred eight million, eighty-one thousand, seven hundred sixty-eight".