27696532234697 has 4 divisors (see below), whose sum is σ = 27719068063620. Its totient is φ = 27673996405776.

The previous prime is 27696532234639. The next prime is 27696532234717. The reversal of 27696532234697 is 79643223569672.

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 19462823365561 + 8233708869136 = 4411669^2 + 2869444^2 .

It is a cyclic number.

It is not a de Polignac number, because 27696532234697 - 2¹⁶ = 27696532169161 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 27696532234697.

It is not an unprimeable number, because it can be changed into a prime (27696532234897) 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, 11267912618 + ... + 11267915075.

It is an arithmetic number, because the mean of its divisors is an integer number (6929767015905).

Almost surely, 2^{27696532234697} is an apocalyptic number.

It is an amenable number.

27696532234697 is a deficient number, since it is larger than the sum of its proper divisors (22535828923).

27696532234697 is a wasteful number, since it uses less digits than its factorization.

27696532234697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22535828922.

The product of its digits is 1234517760, while the sum is 71.

The spelling of 27696532234697 in words is "twenty-seven trillion, six hundred ninety-six billion, five hundred thirty-two million, two hundred thirty-four thousand, six hundred ninety-seven".