5172517782 has 36 divisors (see below), whose sum is σ = 11800004580. Its totient is φ = 1633006656.

The previous prime is 5172517667. The next prime is 5172517793. The reversal of 5172517782 is 2877152715.

5172517782 is a `hidden beast` number, since 51 + 7 + 2 + 517 + 7 + 82 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1328094 + ... + 1331982.

It is an arithmetic number, because the mean of its divisors is an integer number (327777905).

Almost surely, 2^5172517782 is an apocalyptic number.

5172517782 is an abundant number, since it is smaller than the sum of its proper divisors (6627486798).

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

5172517782 is an equidigital number, since it uses as much as digits as its factorization.

5172517782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7805 (or 3913 counting only the distinct ones).

The product of its digits is 274400, while the sum is 45.

The square root of 5172517782 is about 71920.2181726390. The cubic root of 5172517782 is about 1729.4207447358.

The spelling of 5172517782 in words is "five billion, one hundred seventy-two million, five hundred seventeen thousand, seven hundred eighty-two".