27747121770416 has 40 divisors (see below), whose sum is σ = 53780171130000. Its totient is φ = 13868368941824.

The previous prime is 27747121770397. The next prime is 27747121770521. The reversal of 27747121770416 is 61407712174772.

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, 541942130 + ... + 541993326.

It is an arithmetic number, because the mean of its divisors is an integer number (1344504278250).

Almost surely, 2^{27747121770416} is an apocalyptic number.

It is an amenable number.

27747121770416 is a deficient number, since it is larger than the sum of its proper divisors (26033049359584).

27747121770416 is a wasteful number, since it uses less digits than its factorization.

27747121770416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63221 (or 63215 counting only the distinct ones).

The product of its (nonzero) digits is 6453888, while the sum is 56.

The spelling of 27747121770416 in words is "twenty-seven trillion, seven hundred forty-seven billion, one hundred twenty-one million, seven hundred seventy thousand, four hundred sixteen".