4878137747 has 4 divisors (see below), whose sum is σ = 5575014576. Its totient is φ = 4181260920.

The previous prime is 4878137707. The next prime is 4878137753. The reversal of 4878137747 is 7477318784.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4878137747 - 2¹² = 4878133651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4878137692 and 4878137701.

It is not an unprimeable number, because it can be changed into a prime (4878137707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348438404 + ... + 348438417.

It is an arithmetic number, because the mean of its divisors is an integer number (1393753644).

Almost surely, 2^4878137747 is an apocalyptic number.

4878137747 is a deficient number, since it is larger than the sum of its proper divisors (696876829).

4878137747 is an equidigital number, since it uses as much as digits as its factorization.

4878137747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696876828.

The product of its digits is 7375872, while the sum is 56.

The square root of 4878137747 is about 69843.6664773550. Note that the first 3 decimals coincide. The cubic root of 4878137747 is about 1695.9694302731.

The spelling of 4878137747 in words is "four billion, eight hundred seventy-eight million, one hundred thirty-seven thousand, seven hundred forty-seven".