7484664847 has 16 divisors (see below), whose sum is σ = 8348820480. Its totient is φ = 6652807200.

The previous prime is 7484664833. The next prime is 7484664947.

It is a happy number.

7484664847 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7484664847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7484664791 and 7484664800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7484664247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47697 + ... + 131317.

It is an arithmetic number, because the mean of its divisors is an integer number (521801280).

Almost surely, 2^7484664847 is an apocalyptic number.

7484664847 is a deficient number, since it is larger than the sum of its proper divisors (864155633).

7484664847 is a wasteful number, since it uses less digits than its factorization.

7484664847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83814.

The product of its digits is 28901376, while the sum is 58.

The square root of 7484664847 is about 86513.9575270950. The cubic root of 7484664847 is about 1956.0987970632.

The spelling of 7484664847 in words is "seven billion, four hundred eighty-four million, six hundred sixty-four thousand, eight hundred forty-seven".