5185247783 has 4 divisors (see below), whose sum is σ = 5185394400. Its totient is φ = 5185101168.

The previous prime is 5185247777. The next prime is 5185247813. The reversal of 5185247783 is 3877425815.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3877425815 = 5 ⋅775485163.

It is a cyclic number.

It is not a de Polignac number, because 5185247783 - 2³² = 890280487 is a prime.

It is a super-2 number, since 2×5185247783² = 53773589142212830178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185243783) 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, 16043 + ... + 103091.

It is an arithmetic number, because the mean of its divisors is an integer number (1296348600).

Almost surely, 2^5185247783 is an apocalyptic number.

5185247783 is a deficient number, since it is larger than the sum of its proper divisors (146617).

5185247783 is an equidigital number, since it uses as much as digits as its factorization.

5185247783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146616.

The product of its digits is 1881600, while the sum is 50.

The square root of 5185247783 is about 72008.6646383614. The cubic root of 5185247783 is about 1730.8383323725.

The spelling of 5185247783 in words is "five billion, one hundred eighty-five million, two hundred forty-seven thousand, seven hundred eighty-three".