272227661705 has 8 divisors (see below), whose sum is σ = 345889264392. Its totient is φ = 204971415808.

The previous prime is 272227661677. The next prime is 272227661731. The reversal of 272227661705 is 507166722272.

272227661705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 69626849161 + 202600812544 = 263869^2 + 450112^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 272227661705 - 2²⁰ = 272226613129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 272227661705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1601339102 + ... + 1601339271.

It is an arithmetic number, because the mean of its divisors is an integer number (43236158049).

Almost surely, 2^272227661705 is an apocalyptic number.

It is an amenable number.

272227661705 is a deficient number, since it is larger than the sum of its proper divisors (73661602687).

272227661705 is a wasteful number, since it uses less digits than its factorization.

272227661705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202678395.

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 272227661705 in words is "two hundred seventy-two billion, two hundred twenty-seven million, six hundred sixty-one thousand, seven hundred five".