27831839504685 has 16 divisors (see below), whose sum is σ = 45734482214016. Its totient is φ = 14442468067008.

The previous prime is 27831839504681. The next prime is 27831839504737. The reversal of 27831839504685 is 58640593813872.

It is not a de Polignac number, because 27831839504685 - 2² = 27831839504681 is a prime.

It is a super-2 number, since 2×27831839504685² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27831839504681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25073728729 + ... + 25073729838.

It is an arithmetic number, because the mean of its divisors is an integer number (2858405138376).

It is a 1-persistent number, because it is pandigital, but 2⋅27831839504685 = 55663679009370 is not.

Almost surely, 2^{27831839504685} is an apocalyptic number.

It is an amenable number.

27831839504685 is a deficient number, since it is larger than the sum of its proper divisors (17902642709331).

27831839504685 is a wasteful number, since it uses less digits than its factorization.

27831839504685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50147458612.

The product of its (nonzero) digits is 348364800, while the sum is 69.

The spelling of 27831839504685 in words is "twenty-seven trillion, eight hundred thirty-one billion, eight hundred thirty-nine million, five hundred four thousand, six hundred eighty-five".