427767768 has 24 divisors (see below), whose sum is σ = 1158537900. Its totient is φ = 142589232.

The previous prime is 427767757. The next prime is 427767811. The reversal of 427767768 is 867767724.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2970538 + ... + 2970681.

Almost surely, 2^427767768 is an apocalyptic number.

It is an amenable number.

427767768 is an abundant number, since it is smaller than the sum of its proper divisors (730770132).

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

427767768 is a wasteful number, since it uses less digits than its factorization.

427767768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941231 (or 5941224 counting only the distinct ones).

The product of its digits is 5531904, while the sum is 54.

The square root of 427767768 is about 20682.5474253052. The cubic root of 427767768 is about 753.4758768214.

The spelling of 427767768 in words is "four hundred twenty-seven million, seven hundred sixty-seven thousand, seven hundred sixty-eight".