1427920808 has 16 divisors (see below), whose sum is σ = 2693386080. Its totient is φ = 709684528.

The previous prime is 1427920787. The next prime is 1427920843. The reversal of 1427920808 is 8080297241.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533066 + ... + 535737.

It is an arithmetic number, because the mean of its divisors is an integer number (168336630).

Almost surely, 2^1427920808 is an apocalyptic number.

It is an amenable number.

1427920808 is a deficient number, since it is larger than the sum of its proper divisors (1265465272).

1427920808 is a wasteful number, since it uses less digits than its factorization.

1427920808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068976 (or 1068972 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 1427920808 is about 37787.8394195805. The cubic root of 1427920808 is about 1126.0768771382.

The spelling of 1427920808 in words is "one billion, four hundred twenty-seven million, nine hundred twenty thousand, eight hundred eight".