1227896485427 has 4 divisors (see below), whose sum is σ = 1238762826120. Its totient is φ = 1217030144736.

The previous prime is 1227896485421. The next prime is 1227896485481. The reversal of 1227896485427 is 7245846987221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1227896485427 - 2⁶ = 1227896485363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1227896485421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5433170177 + ... + 5433170402.

It is an arithmetic number, because the mean of its divisors is an integer number (309690706530).

Almost surely, 2^{1227896485427} is an apocalyptic number.

1227896485427 is a deficient number, since it is larger than the sum of its proper divisors (10866340693).

1227896485427 is a wasteful number, since it uses less digits than its factorization.

1227896485427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10866340692.

The product of its digits is 108380160, while the sum is 65.

The spelling of 1227896485427 in words is "one trillion, two hundred twenty-seven billion, eight hundred ninety-six million, four hundred eighty-five thousand, four hundred twenty-seven".