1427788802 has 16 divisors (see below), whose sum is σ = 2437964352. Its totient is φ = 620777520.

The previous prime is 1427788799. The next prime is 1427788811. The reversal of 1427788802 is 2088877241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1410353 + ... + 1411364.

It is an arithmetic number, because the mean of its divisors is an integer number (152372772).

Almost surely, 2^1427788802 is an apocalyptic number.

1427788802 is a deficient number, since it is larger than the sum of its proper divisors (1010175550).

1427788802 is a wasteful number, since it uses less digits than its factorization.

1427788802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821753.

The product of its (nonzero) digits is 401408, while the sum is 47.

The square root of 1427788802 is about 37786.0927061796. The cubic root of 1427788802 is about 1126.0421755206.

The spelling of 1427788802 in words is "one billion, four hundred twenty-seven million, seven hundred eighty-eight thousand, eight hundred two".