8278238067 has 32 divisors (see below), whose sum is σ = 12211271424. Its totient is φ = 4946697600.

The previous prime is 8278238057. The next prime is 8278238071. The reversal of 8278238067 is 7608328728.

It is not a de Polignac number, because 8278238067 - 2¹⁹ = 8277713779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8278238027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 672613 + ... + 684809.

It is an arithmetic number, because the mean of its divisors is an integer number (381602232).

Almost surely, 2^8278238067 is an apocalyptic number.

8278238067 is a deficient number, since it is larger than the sum of its proper divisors (3933033357).

8278238067 is a wasteful number, since it uses less digits than its factorization.

8278238067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12499.

The product of its (nonzero) digits is 1806336, while the sum is 51.

The square root of 8278238067 is about 90984.8232783908. The cubic root of 8278238067 is about 2022.9227750377.

The spelling of 8278238067 in words is "eight billion, two hundred seventy-eight million, two hundred thirty-eight thousand, sixty-seven".