5217538782 has 32 divisors (see below), whose sum is σ = 11200276512. Its totient is φ = 1614449664.

The previous prime is 5217538769. The next prime is 5217538813. The reversal of 5217538782 is 2878357125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342913 + ... + 357804.

It is an arithmetic number, because the mean of its divisors is an integer number (350008641).

Almost surely, 2^5217538782 is an apocalyptic number.

5217538782 is an abundant number, since it is smaller than the sum of its proper divisors (5982737730).

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

5217538782 is a wasteful number, since it uses less digits than its factorization.

5217538782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700812.

The product of its digits is 940800, while the sum is 48.

The square root of 5217538782 is about 72232.5327120682. The cubic root of 5217538782 is about 1734.4238170680.

The spelling of 5217538782 in words is "five billion, two hundred seventeen million, five hundred thirty-eight thousand, seven hundred eighty-two".