5818172782 has 16 divisors (see below), whose sum is σ = 9261060480. Its totient is φ = 2735440312.

The previous prime is 5818172779. The next prime is 5818172797. The reversal of 5818172782 is 2872718185.

It is a super-2 number, since 2×5818172782² = 67702269042411239048, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1069168 + ... + 1074595.

It is an arithmetic number, because the mean of its divisors is an integer number (578816280).

Almost surely, 2^5818172782 is an apocalyptic number.

5818172782 is a deficient number, since it is larger than the sum of its proper divisors (3442887698).

5818172782 is a wasteful number, since it uses less digits than its factorization.

5818172782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143847.

The product of its digits is 501760, while the sum is 49.

The square root of 5818172782 is about 76276.9479069529. The cubic root of 5818172782 is about 1798.5763209703.

The spelling of 5818172782 in words is "five billion, eight hundred eighteen million, one hundred seventy-two thousand, seven hundred eighty-two".