427735385 has 32 divisors (see below), whose sum is σ = 677590272. Its totient is φ = 250951680.

The previous prime is 427735379. The next prime is 427735457. The reversal of 427735385 is 583537724.

It is not a de Polignac number, because 427735385 - 2⁸ = 427735129 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26132 + ... + 39221.

It is an arithmetic number, because the mean of its divisors is an integer number (21174696).

Almost surely, 2^427735385 is an apocalyptic number.

It is an amenable number.

427735385 is a deficient number, since it is larger than the sum of its proper divisors (249854887).

427735385 is a wasteful number, since it uses less digits than its factorization.

427735385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65393.

The product of its digits is 705600, while the sum is 44.

The square root of 427735385 is about 20681.7645523780. The cubic root of 427735385 is about 753.4568630583.

The spelling of 427735385 in words is "four hundred twenty-seven million, seven hundred thirty-five thousand, three hundred eighty-five".