7478888747 has 8 divisors (see below), whose sum is σ = 8175144000. Its totient is φ = 6785359560.

The previous prime is 7478888743. The next prime is 7478888749.

7478888747 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7478888747 - 2² = 7478888743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7478888743) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 675773 + ... + 686750.

It is an arithmetic number, because the mean of its divisors is an integer number (1021893000).

Almost surely, 2^7478888747 is an apocalyptic number.

7478888747 is a deficient number, since it is larger than the sum of its proper divisors (696255253).

7478888747 is a wasteful number, since it uses less digits than its factorization.

7478888747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363033.

The product of its digits is 157351936, while the sum is 68.

The square root of 7478888747 is about 86480.5686093703. The cubic root of 7478888747 is about 1955.5954777111.

The spelling of 7478888747 in words is "seven billion, four hundred seventy-eight million, eight hundred eighty-eight thousand, seven hundred forty-seven".