8378027845 has 16 divisors (see below), whose sum is σ = 11264024448. Its totient is φ = 5928431040.

The previous prime is 8378027831. The next prime is 8378027849. The reversal of 8378027845 is 5487208738.

It is not a de Polignac number, because 8378027845 - 2¹¹ = 8378025797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8378027792 and 8378027801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8378027849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2056449 + ... + 2060518.

It is an arithmetic number, because the mean of its divisors is an integer number (704001528).

Almost surely, 2^8378027845 is an apocalyptic number.

It is an amenable number.

8378027845 is a deficient number, since it is larger than the sum of its proper divisors (2885996603).

8378027845 is a wasteful number, since it uses less digits than its factorization.

8378027845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117020.

The product of its (nonzero) digits is 3010560, while the sum is 52.

The square root of 8378027845 is about 91531.5674781111. The cubic root of 8378027845 is about 2031.0187518425.

The spelling of 8378027845 in words is "eight billion, three hundred seventy-eight million, twenty-seven thousand, eight hundred forty-five".