8147278126 has 16 divisors (see below), whose sum is σ = 13296672144. Its totient is φ = 3721515264.

The previous prime is 8147278099. The next prime is 8147278127. The reversal of 8147278126 is 6218727418.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8147278127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1612720 + ... + 1617763.

It is an arithmetic number, because the mean of its divisors is an integer number (831042009).

Almost surely, 2^8147278126 is an apocalyptic number.

8147278126 is a deficient number, since it is larger than the sum of its proper divisors (5149394018).

8147278126 is a wasteful number, since it uses less digits than its factorization.

8147278126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230595.

The product of its digits is 301056, while the sum is 46.

The square root of 8147278126 is about 90262.2741016423. The cubic root of 8147278126 is about 2012.1986226994.

The spelling of 8147278126 in words is "eight billion, one hundred forty-seven million, two hundred seventy-eight thousand, one hundred twenty-six".