4247828775 has 18 divisors (see below), whose sum is σ = 7608333720. Its totient is φ = 2265508560.

The previous prime is 4247828759. The next prime is 4247828779. The reversal of 4247828775 is 5778287424.

4247828775 is a `hidden beast` number, since 424 + 78 + 2 + 87 + 75 = 666.

It is not a de Polignac number, because 4247828775 - 2⁴ = 4247828759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4247828779) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9439395 + ... + 9439844.

Almost surely, 2^4247828775 is an apocalyptic number.

4247828775 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4247828775 is a deficient number, since it is larger than the sum of its proper divisors (3360504945).

4247828775 is a wasteful number, since it uses less digits than its factorization.

4247828775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18879255 (or 18879247 counting only the distinct ones).

The product of its digits is 7024640, while the sum is 54.

The square root of 4247828775 is about 65175.3693890568. The cubic root of 4247828775 is about 1619.5300134115.

It can be divided in two parts, 42478 and 28775, that added together give a triangular number (71253 = T₃₇₇).

The spelling of 4247828775 in words is "four billion, two hundred forty-seven million, eight hundred twenty-eight thousand, seven hundred seventy-five".