27270027477 has 72 divisors (see below), whose sum is σ = 50033861280. Its totient is φ = 14152864320.

The previous prime is 27270027469. The next prime is 27270027479. The reversal of 27270027477 is 77472007272.

It is not a de Polignac number, because 27270027477 - 2³ = 27270027469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27270027479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7075683 + ... + 7079535.

It is an arithmetic number, because the mean of its divisors is an integer number (694914740).

Almost surely, 2^27270027477 is an apocalyptic number.

It is an amenable number.

27270027477 is a deficient number, since it is larger than the sum of its proper divisors (22763833803).

27270027477 is a wasteful number, since it uses less digits than its factorization.

27270027477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343 (or 5333 counting only the distinct ones).

The product of its (nonzero) digits is 537824, while the sum is 45.

The spelling of 27270027477 in words is "twenty-seven billion, two hundred seventy million, twenty-seven thousand, four hundred seventy-seven".