1427566988 has 24 divisors (see below), whose sum is σ = 2582880384. Its totient is φ = 689673600.

The previous prime is 1427566981. The next prime is 1427567017. The reversal of 1427566988 is 8896657241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1427566981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73256 + ... + 90672.

It is an arithmetic number, because the mean of its divisors is an integer number (107620016).

Almost surely, 2^1427566988 is an apocalyptic number.

It is an amenable number.

1427566988 is a deficient number, since it is larger than the sum of its proper divisors (1155313396).

1427566988 is a wasteful number, since it uses less digits than its factorization.

1427566988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18113 (or 18111 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 56.

The square root of 1427566988 is about 37783.1574646694. The cubic root of 1427566988 is about 1125.9838604406.

The spelling of 1427566988 in words is "one billion, four hundred twenty-seven million, five hundred sixty-six thousand, nine hundred eighty-eight".