801890568 has 24 divisors (see below), whose sum is σ = 2171787150. Its totient is φ = 267296832.

The previous prime is 801890539. The next prime is 801890569. The reversal of 801890568 is 865098108.

801890568 is a `hidden beast` number, since 8 + 0 + 1 + 89 + 0 + 568 = 666.

801890568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 801003204 + 887364 = 28302^2 + 942^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (801890569) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5568613 + ... + 5568756.

Almost surely, 2^801890568 is an apocalyptic number.

It is an amenable number.

801890568 is an abundant number, since it is smaller than the sum of its proper divisors (1369896582).

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

801890568 is a wasteful number, since it uses less digits than its factorization.

801890568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11137381 (or 11137374 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 801890568 is about 28317.6723619721. The cubic root of 801890568 is about 929.0484613727.

The spelling of 801890568 in words is "eight hundred one million, eight hundred ninety thousand, five hundred sixty-eight".