8746556478 has 16 divisors (see below), whose sum is σ = 19083396096. Its totient is φ = 2650471640.

The previous prime is 8746556461. The next prime is 8746556479.

8746556478 is nontrivially palindromic in base 10.

8746556478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8746556479) 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 7 ways as a sum of consecutive naturals, for example, 66261726 + ... + 66261857.

It is an arithmetic number, because the mean of its divisors is an integer number (1192712256).

Almost surely, 2^8746556478 is an apocalyptic number.

8746556478 is an abundant number, since it is smaller than the sum of its proper divisors (10336839618).

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

8746556478 is a wasteful number, since it uses less digits than its factorization.

8746556478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132523599.

The product of its digits is 45158400, while the sum is 60.

The square root of 8746556478 is about 93523.0264587283. The cubic root of 8746556478 is about 2060.3722956433.

The spelling of 8746556478 in words is "eight billion, seven hundred forty-six million, five hundred fifty-six thousand, four hundred seventy-eight".