8028378911 has 16 divisors (see below), whose sum is σ = 9720539136. Its totient is φ = 6472991616.

The previous prime is 8028378887. The next prime is 8028378923. The reversal of 8028378911 is 1198738208.

8028378911 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8028378911 - 2²² = 8024184607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8028378811) 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, 201530 + ... + 238056.

It is an arithmetic number, because the mean of its divisors is an integer number (607533696).

Almost surely, 2^8028378911 is an apocalyptic number.

8028378911 is a deficient number, since it is larger than the sum of its proper divisors (1692160225).

8028378911 is a wasteful number, since it uses less digits than its factorization.

8028378911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38398.

The product of its (nonzero) digits is 193536, while the sum is 47.

The square root of 8028378911 is about 89601.2215932350. The cubic root of 8028378911 is about 2002.3621183501.

The spelling of 8028378911 in words is "eight billion, twenty-eight million, three hundred seventy-eight thousand, nine hundred eleven".