27973806966069 has 16 divisors (see below), whose sum is σ = 37718123688000. Its totient is φ = 18439354457216.

The previous prime is 27973806966043. The next prime is 27973806966113. The reversal of 27973806966069 is 96066960837972.

It is a cyclic number.

It is not a de Polignac number, because 27973806966069 - 2⁷ = 27973806965941 is a prime.

It is a super-2 number, since 2×27973806966069² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27973806965985 and 27973806966003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27973806961069) 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, 15694762 + ... + 17386004.

It is an arithmetic number, because the mean of its divisors is an integer number (2357382730500).

Almost surely, 2^{27973806966069} is an apocalyptic number.

It is an amenable number.

27973806966069 is a deficient number, since it is larger than the sum of its proper divisors (9744316721931).

27973806966069 is a wasteful number, since it uses less digits than its factorization.

27973806966069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753284.

The product of its (nonzero) digits is 2222131968, while the sum is 78.

The spelling of 27973806966069 in words is "twenty-seven trillion, nine hundred seventy-three billion, eight hundred six million, nine hundred sixty-six thousand, sixty-nine".