802089012 has 12 divisors (see below), whose sum is σ = 1871541056. Its totient is φ = 267363000.

The previous prime is 802088983. The next prime is 802089031. The reversal of 802089012 is 210980208.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×802089012² = 1286693566342272288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33420364 + ... + 33420387.

Almost surely, 2^802089012 is an apocalyptic number.

It is an amenable number.

802089012 is an abundant number, since it is smaller than the sum of its proper divisors (1069452044).

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

802089012 is a wasteful number, since it uses less digits than its factorization.

802089012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66840758 (or 66840756 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 802089012 is about 28321.1760349036. The cubic root of 802089012 is about 929.1250923138.

The spelling of 802089012 in words is "eight hundred two million, eighty-nine thousand, twelve".