3809047711028 has 72 divisors (see below), whose sum is σ = 7944262288200. Its totient is φ = 1592431841280.

The previous prime is 3809047711019. The next prime is 3809047711031. The reversal of 3809047711028 is 8201177409083.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3965472784 + 3805082238244 = 62972^2 + 1950662^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75328298 + ... + 75378846.

It is an arithmetic number, because the mean of its divisors is an integer number (110336976225).

Almost surely, 2^{3809047711028} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3809047711028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3972131144100).

3809047711028 is an abundant number, since it is smaller than the sum of its proper divisors (4135214577172).

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

3809047711028 is a wasteful number, since it uses less digits than its factorization.

3809047711028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59985 (or 59976 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 50.

The spelling of 3809047711028 in words is "three trillion, eight hundred nine billion, forty-seven million, seven hundred eleven thousand, twenty-eight".