1427827566 has 16 divisors (see below), whose sum is σ = 3115260288. Its totient is φ = 432675000.

The previous prime is 1427827507. The next prime is 1427827573. The reversal of 1427827566 is 6657287241.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10816810 + ... + 10816941.

It is an arithmetic number, because the mean of its divisors is an integer number (194703768).

Almost surely, 2^1427827566 is an apocalyptic number.

1427827566 is an abundant number, since it is smaller than the sum of its proper divisors (1687432722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1427827566 is a wasteful number, since it uses less digits than its factorization.

1427827566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21633767.

The product of its digits is 1128960, while the sum is 48.

The square root of 1427827566 is about 37786.6056427407. The cubic root of 1427827566 is about 1126.0523659876.

The spelling of 1427827566 in words is "one billion, four hundred twenty-seven million, eight hundred twenty-seven thousand, five hundred sixty-six".