8479434278 has 64 divisors (see below), whose sum is σ = 15645560832. Its totient is φ = 3369824640.

The previous prime is 8479434277. The next prime is 8479434373. The reversal of 8479434278 is 8724349748.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8479434277) 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 31 ways as a sum of consecutive naturals, for example, 984800 + ... + 993372.

It is an arithmetic number, because the mean of its divisors is an integer number (244461888).

Almost surely, 2^8479434278 is an apocalyptic number.

8479434278 is a deficient number, since it is larger than the sum of its proper divisors (7166126554).

8479434278 is a wasteful number, since it uses less digits than its factorization.

8479434278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8709.

The product of its digits is 10838016, while the sum is 56.

The square root of 8479434278 is about 92083.8437403652. The cubic root of 8479434278 is about 2039.1802965557.

The spelling of 8479434278 in words is "eight billion, four hundred seventy-nine million, four hundred thirty-four thousand, two hundred seventy-eight".