8503478748 has 36 divisors (see below), whose sum is σ = 21695801400. Its totient is φ = 2808001056.

The previous prime is 8503478743. The next prime is 8503478773. The reversal of 8503478748 is 8478743058.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 8503478694 and 8503478703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8503478743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1099923 + ... + 1107626.

It is an arithmetic number, because the mean of its divisors is an integer number (602661150).

Almost surely, 2^8503478748 is an apocalyptic number.

It is an amenable number.

8503478748 is an abundant number, since it is smaller than the sum of its proper divisors (13192322652).

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

8503478748 is a wasteful number, since it uses less digits than its factorization.

8503478748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207666 (or 2207661 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 54.

The square root of 8503478748 is about 92214.3088029184. The cubic root of 8503478748 is about 2041.1059257216.

The spelling of 8503478748 in words is "eight billion, five hundred three million, four hundred seventy-eight thousand, seven hundred forty-eight".