27277775452 has 6 divisors (see below), whose sum is σ = 47736107048. Its totient is φ = 13638887724.

The previous prime is 27277775431. The next prime is 27277775513. The reversal of 27277775452 is 25457777272.

It is a junction number, because it is equal to n+sod(n) for n = 27277775393 and 27277775402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3409721928 + ... + 3409721935.

Almost surely, 2^27277775452 is an apocalyptic number.

It is an amenable number.

27277775452 is a deficient number, since it is larger than the sum of its proper divisors (20458331596).

27277775452 is a wasteful number, since it uses less digits than its factorization.

27277775452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6819443867 (or 6819443865 counting only the distinct ones).

The product of its digits is 13445600, while the sum is 55.

The spelling of 27277775452 in words is "twenty-seven billion, two hundred seventy-seven million, seven hundred seventy-five thousand, four hundred fifty-two".