27641533697 has 8 divisors (see below), whose sum is σ = 29098208160. Its totient is φ = 26185044960.

The previous prime is 27641533691. The next prime is 27641533727. The reversal of 27641533697 is 79633514672.

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 27641533697 - 2¹⁴ = 27641517313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27641533691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342818 + ... + 415700.

It is an arithmetic number, because the mean of its divisors is an integer number (3637276020).

Almost surely, 2^27641533697 is an apocalyptic number.

It is an amenable number.

27641533697 is a deficient number, since it is larger than the sum of its proper divisors (1456674463).

27641533697 is a wasteful number, since it uses less digits than its factorization.

27641533697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92863.

The product of its digits is 5715360, while the sum is 53.

The spelling of 27641533697 in words is "twenty-seven billion, six hundred forty-one million, five hundred thirty-three thousand, six hundred ninety-seven".