5171245776 has 180 divisors, whose sum is σ = 15461660812. Its totient is φ = 1613094912.

The previous prime is 5171245771. The next prime is 5171245777. The reversal of 5171245776 is 6775421715.

5171245776 is a `hidden beast` number, since 5 + 1 + 71 + 2 + 4 + 577 + 6 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 4511376 + 5166734400 = 2124^2 + 71880^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5171245771) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13025610 + ... + 13026006.

Almost surely, 2^5171245776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5171245776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7730830406).

5171245776 is an abundant number, since it is smaller than the sum of its proper divisors (10290415036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5171245776 is a wasteful number, since it uses less digits than its factorization.

5171245776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 732 counting only the distinct ones).

The product of its digits is 411600, while the sum is 45.

The square root of 5171245776 is about 71911.3744549498. The cubic root of 5171245776 is about 1729.2789689117.

The spelling of 5171245776 in words is "five billion, one hundred seventy-one million, two hundred forty-five thousand, seven hundred seventy-six".