8478748122 has 32 divisors (see below), whose sum is σ = 18277503552. Its totient is φ = 2606619264.

The previous prime is 8478748121. The next prime is 8478748139. The reversal of 8478748122 is 2218478748.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8478748121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46798 + ... + 138374.

It is an arithmetic number, because the mean of its divisors is an integer number (571171986).

Almost surely, 2^8478748122 is an apocalyptic number.

8478748122 is an abundant number, since it is smaller than the sum of its proper divisors (9798755430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8478748122 is a wasteful number, since it uses less digits than its factorization.

8478748122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92782.

The product of its digits is 1605632, while the sum is 51.

The square root of 8478748122 is about 92080.1179517055. The cubic root of 8478748122 is about 2039.1252915679.

The spelling of 8478748122 in words is "eight billion, four hundred seventy-eight million, seven hundred forty-eight thousand, one hundred twenty-two".