427807872 has 64 divisors (see below), whose sum is σ = 1262637600. Its totient is φ = 142601472.

The previous prime is 427807871. The next prime is 427807951. The reversal of 427807872 is 278708724.

It is a tau number, because it is divible by the number of its divisors (64).

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (427807871) 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, 58438 + ... + 65349.

Almost surely, 2^427807872 is an apocalyptic number.

It is an amenable number.

427807872 is an abundant number, since it is smaller than the sum of its proper divisors (834829728).

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

427807872 is a wasteful number, since it uses less digits than its factorization.

427807872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123810 (or 123792 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The square root of 427807872 is about 20683.5169156505. The cubic root of 427807872 is about 753.4994226599.

The spelling of 427807872 in words is "four hundred twenty-seven million, eight hundred seven thousand, eight hundred seventy-two".