8427874378 has 32 divisors (see below), whose sum is σ = 15766553088. Its totient is φ = 3282476400.

The previous prime is 8427874349. The next prime is 8427874379. The reversal of 8427874378 is 8734787248.

It is not an unprimeable number, because it can be changed into a prime (8427874379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561001 + ... + 575827.

It is an arithmetic number, because the mean of its divisors is an integer number (492704784).

Almost surely, 2^8427874378 is an apocalyptic number.

8427874378 is a deficient number, since it is larger than the sum of its proper divisors (7338678710).

8427874378 is a wasteful number, since it uses less digits than its factorization.

8427874378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18538.

The product of its digits is 16859136, while the sum is 58.

The square root of 8427874378 is about 91803.4551528427. The cubic root of 8427874378 is about 2035.0387561515.

The spelling of 8427874378 in words is "eight billion, four hundred twenty-seven million, eight hundred seventy-four thousand, three hundred seventy-eight".