8478240507 has 48 divisors (see below), whose sum is σ = 13575276000. Its totient is φ = 5056058880.

The previous prime is 8478240503. The next prime is 8478240521. The reversal of 8478240507 is 7050428748.

It is not a de Polignac number, because 8478240507 - 2² = 8478240503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8478240503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1605223 + ... + 1610495.

It is an arithmetic number, because the mean of its divisors is an integer number (282818250).

Almost surely, 2^8478240507 is an apocalyptic number.

8478240507 is a deficient number, since it is larger than the sum of its proper divisors (5097035493).

8478240507 is a wasteful number, since it uses less digits than its factorization.

8478240507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5548 (or 5545 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The square root of 8478240507 is about 92077.3615336582. The cubic root of 8478240507 is about 2039.0845972253.

The spelling of 8478240507 in words is "eight billion, four hundred seventy-eight million, two hundred forty thousand, five hundred seven".