27367009686869 has 4 divisors (see below), whose sum is σ = 27367299695244. Its totient is φ = 27366719678496.

The previous prime is 27367009686839. The next prime is 27367009686871. The reversal of 27367009686869 is 96868690076372.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2884919235025 + 24482090451844 = 1698505^2 + 4947938^2 .

It is a cyclic number.

It is not a de Polignac number, because 27367009686869 - 2¹⁶ = 27367009621333 is a prime.

It is a super-2 number, since 2×27367009686869² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27367009686869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27367009686839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144862592 + ... + 145051385.

It is an arithmetic number, because the mean of its divisors is an integer number (6841824923811).

Almost surely, 2^{27367009686869} is an apocalyptic number.

It is an amenable number.

27367009686869 is a deficient number, since it is larger than the sum of its proper divisors (290008375).

27367009686869 is an equidigital number, since it uses as much as digits as its factorization.

27367009686869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290008374.

The product of its (nonzero) digits is 1975228416, while the sum is 77.

The spelling of 27367009686869 in words is "twenty-seven trillion, three hundred sixty-seven billion, nine million, six hundred eighty-six thousand, eight hundred sixty-nine".