27690740649718 has 8 divisors (see below), whose sum is σ = 42875985522240. Its totient is φ = 13398745475640.

The previous prime is 27690740649703. The next prime is 27690740649763. The reversal of 27690740649718 is 81794604709672.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223312424533 + ... + 223312424656.

It is an arithmetic number, because the mean of its divisors is an integer number (5359498190280).

Almost surely, 2^{27690740649718} is an apocalyptic number.

27690740649718 is a deficient number, since it is larger than the sum of its proper divisors (15185244872522).

27690740649718 is a wasteful number, since it uses less digits than its factorization.

27690740649718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446624849222.

The product of its (nonzero) digits is 256048128, while the sum is 70.

The spelling of 27690740649718 in words is "twenty-seven trillion, six hundred ninety billion, seven hundred forty million, six hundred forty-nine thousand, seven hundred eighteen".