8361309804 has 12 divisors (see below), whose sum is σ = 19509722904. Its totient is φ = 2787103264.

The previous prime is 8361309799. The next prime is 8361309851. The reversal of 8361309804 is 4089031638.

It is a happy number.

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

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, 348387897 + ... + 348387920.

It is an arithmetic number, because the mean of its divisors is an integer number (1625810242).

Almost surely, 2^8361309804 is an apocalyptic number.

It is an amenable number.

8361309804 is an abundant number, since it is smaller than the sum of its proper divisors (11148413100).

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

8361309804 is a wasteful number, since it uses less digits than its factorization.

8361309804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696775824 (or 696775822 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 8361309804 is about 91440.1979656650. The cubic root of 8361309804 is about 2029.6669116265. Note that the first 3 decimals are identical.

The spelling of 8361309804 in words is "eight billion, three hundred sixty-one million, three hundred nine thousand, eight hundred four".