27411272977 has 4 divisors (see below), whose sum is σ = 29903206896. Its totient is φ = 24919339060.

The previous prime is 27411272951. The next prime is 27411272989. The reversal of 27411272977 is 77927211472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27411272977 - 2¹⁵ = 27411240209 is a prime.

It is a super-2 number, since 2×27411272977² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) 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 27411272977.

It is not an unprimeable number, because it can be changed into a prime (27411272927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245966943 + ... + 1245966964.

It is an arithmetic number, because the mean of its divisors is an integer number (7475801724).

Almost surely, 2^27411272977 is an apocalyptic number.

It is an amenable number.

27411272977 is a deficient number, since it is larger than the sum of its proper divisors (2491933919).

27411272977 is a wasteful number, since it uses less digits than its factorization.

27411272977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491933918.

The product of its digits is 691488, while the sum is 49.

The spelling of 27411272977 in words is "twenty-seven billion, four hundred eleven million, two hundred seventy-two thousand, nine hundred seventy-seven".