27677224551 has 16 divisors (see below), whose sum is σ = 38871539840. Its totient is φ = 17468511840.

The previous prime is 27677224543. The next prime is 27677224579. The reversal of 27677224551 is 15542277672.

It is a happy number.

It is not a de Polignac number, because 27677224551 - 2³ = 27677224543 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27677224551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27677224591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79180 + ... + 248241.

It is an arithmetic number, because the mean of its divisors is an integer number (2429471240).

Almost surely, 2^27677224551 is an apocalyptic number.

27677224551 is a deficient number, since it is larger than the sum of its proper divisors (11194315289).

27677224551 is a wasteful number, since it uses less digits than its factorization.

27677224551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328926.

The product of its digits is 1646400, while the sum is 48.

The spelling of 27677224551 in words is "twenty-seven billion, six hundred seventy-seven million, two hundred twenty-four thousand, five hundred fifty-one".