4685128727 has 8 divisors (see below), whose sum is σ = 5057411040. Its totient is φ = 4326894880.

The previous prime is 4685128697. The next prime is 4685128741. The reversal of 4685128727 is 7278215864.

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 4685128727 - 2¹⁶ = 4685063191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4685128757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3511424 + ... + 3512757.

It is an arithmetic number, because the mean of its divisors is an integer number (632176380).

Almost surely, 2^4685128727 is an apocalyptic number.

4685128727 is a deficient number, since it is larger than the sum of its proper divisors (372282313).

4685128727 is a wasteful number, since it uses less digits than its factorization.

4685128727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7024233.

The product of its digits is 1505280, while the sum is 50.

The square root of 4685128727 is about 68448.0001680108. Note that the first 3 decimals coincide. The cubic root of 4685128727 is about 1673.3001216890.

The spelling of 4685128727 in words is "four billion, six hundred eighty-five million, one hundred twenty-eight thousand, seven hundred twenty-seven".