27774144207 has 12 divisors (see below), whose sum is σ = 40266249504. Its totient is φ = 18447769440.

The previous prime is 27774144173. The next prime is 27774144259. The reversal of 27774144207 is 70244147772.

27774144207 is a `hidden beast` number, since 27 + 7 + 7 + 414 + 4 + 207 = 666.

It is not a de Polignac number, because 27774144207 - 2¹² = 27774140111 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27774144287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5691318 + ... + 5696195.

It is an arithmetic number, because the mean of its divisors is an integer number (3355520792).

Almost surely, 2^27774144207 is an apocalyptic number.

27774144207 is a deficient number, since it is larger than the sum of its proper divisors (12492105297).

27774144207 is a wasteful number, since it uses less digits than its factorization.

27774144207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11387790 (or 11387787 counting only the distinct ones).

The product of its (nonzero) digits is 614656, while the sum is 45.

The spelling of 27774144207 in words is "twenty-seven billion, seven hundred seventy-four million, one hundred forty-four thousand, two hundred seven".