27272370086861 has 16 divisors (see below), whose sum is σ = 28925101911600. Its totient is φ = 25625039631360.

The previous prime is 27272370086849. The next prime is 27272370086879. The reversal of 27272370086861 is 16868007327272.

It can be written as a sum of positive squares in 8 ways, for example, as 7975625533225 + 19296744553636 = 2824115^2 + 4392806^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27272370086861 is a prime.

It is a super-3 number, since 3×27272370086861³ (a number of 41 digits) contains 333 as substring.

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 27272370086861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27272370086831) 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, 57550715 + ... + 58022663.

It is an arithmetic number, because the mean of its divisors is an integer number (1807818869475).

Almost surely, 2^{27272370086861} is an apocalyptic number.

It is an amenable number.

27272370086861 is a deficient number, since it is larger than the sum of its proper divisors (1652731824739).

27272370086861 is a wasteful number, since it uses less digits than its factorization.

27272370086861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477664.

The product of its (nonzero) digits is 18966528, while the sum is 59.

The spelling of 27272370086861 in words is "twenty-seven trillion, two hundred seventy-two billion, three hundred seventy million, eighty-six thousand, eight hundred sixty-one".