427545885 has 64 divisors (see below), whose sum is σ = 781240320. Its totient is φ = 197925120.

The previous prime is 427545871. The next prime is 427545907. The reversal of 427545885 is 588545724.

It is not a de Polignac number, because 427545885 - 2⁶ = 427545821 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 618390 + ... + 619080.

It is an arithmetic number, because the mean of its divisors is an integer number (12206880).

Almost surely, 2^427545885 is an apocalyptic number.

It is an amenable number.

427545885 is a deficient number, since it is larger than the sum of its proper divisors (353694435).

427545885 is a wasteful number, since it uses less digits than its factorization.

427545885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898.

The product of its digits is 1792000, while the sum is 48.

The square root of 427545885 is about 20677.1827142868. The cubic root of 427545885 is about 753.3455783941.

The spelling of 427545885 in words is "four hundred twenty-seven million, five hundred forty-five thousand, eight hundred eighty-five".