3007800328861 has 4 divisors (see below), whose sum is σ = 3038808579772. Its totient is φ = 2976792077952.

The previous prime is 3007800328859. The next prime is 3007800328901. The reversal of 3007800328861 is 1688230087003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 934721576100 + 2073078752761 = 966810^2 + 1439819^2 .

It is a cyclic number.

It is not a de Polignac number, because 3007800328861 - 2¹ = 3007800328859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3007800328801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15504125310 + ... + 15504125503.

It is an arithmetic number, because the mean of its divisors is an integer number (759702144943).

Almost surely, 2^{3007800328861} is an apocalyptic number.

It is an amenable number.

3007800328861 is a deficient number, since it is larger than the sum of its proper divisors (31008250911).

3007800328861 is an equidigital number, since it uses as much as digits as its factorization.

3007800328861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31008250910.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 3007800328861 in words is "three trillion, seven billion, eight hundred million, three hundred twenty-eight thousand, eight hundred sixty-one".