8747007478 has 12 divisors (see below), whose sum is σ = 14421719340. Its totient is φ = 3975912380.

The previous prime is 8747007457. The next prime is 8747007491.

It is a happy number.

8747007478 is nontrivially palindromic in base 10.

8747007478 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 18072088 + ... + 18072571.

It is an arithmetic number, because the mean of its divisors is an integer number (1201809945).

Almost surely, 2^8747007478 is an apocalyptic number.

8747007478 is a deficient number, since it is larger than the sum of its proper divisors (5674711862).

8747007478 is a wasteful number, since it uses less digits than its factorization.

8747007478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36144683 (or 36144672 counting only the distinct ones).

The product of its (nonzero) digits is 2458624, while the sum is 52.

The square root of 8747007478 is about 93525.4375985486. The cubic root of 8747007478 is about 2060.4077081296.

The spelling of 8747007478 in words is "eight billion, seven hundred forty-seven million, seven thousand, four hundred seventy-eight".