27684655485685 has 8 divisors (see below), whose sum is σ = 36241730817696. Its totient is φ = 20134294898640.

The previous prime is 27684655485677. The next prime is 27684655485703. The reversal of 27684655485685 is 58658455648672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27684655485685 - 2³ = 27684655485677 is a prime.

It is a super-2 number, since 2×27684655485685² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251678686179 + ... + 251678686288.

It is an arithmetic number, because the mean of its divisors is an integer number (4530216352212).

Almost surely, 2^{27684655485685} is an apocalyptic number.

It is an amenable number.

27684655485685 is a deficient number, since it is larger than the sum of its proper divisors (8557075332011).

27684655485685 is a wasteful number, since it uses less digits than its factorization.

27684655485685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503357372483.

The product of its digits is 15482880000, while the sum is 79.

The spelling of 27684655485685 in words is "twenty-seven trillion, six hundred eighty-four billion, six hundred fifty-five million, four hundred eighty-five thousand, six hundred eighty-five".