27771760216 has 64 divisors (see below), whose sum is σ = 54282240000. Its totient is φ = 13304269440.

The previous prime is 27771760207. The next prime is 27771760231. The reversal of 27771760216 is 61206717772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28023481 + ... + 28024471.

It is an arithmetic number, because the mean of its divisors is an integer number (848160000).

Almost surely, 2^27771760216 is an apocalyptic number.

It is an amenable number.

27771760216 is a deficient number, since it is larger than the sum of its proper divisors (26510479784).

27771760216 is a wasteful number, since it uses less digits than its factorization.

27771760216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832 (or 1828 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 46.

The spelling of 27771760216 in words is "twenty-seven billion, seven hundred seventy-one million, seven hundred sixty thousand, two hundred sixteen".