427814287 has 4 divisors (see below), whose sum is σ = 432968760. Its totient is φ = 422659816.

The previous prime is 427814249. The next prime is 427814323. The reversal of 427814287 is 782418724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427814287 - 2⁷ = 427814159 is a prime.

It is a super-2 number, since 2×427814287² = 366050128322636738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427814587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2577112 + ... + 2577277.

It is an arithmetic number, because the mean of its divisors is an integer number (108242190).

Almost surely, 2^427814287 is an apocalyptic number.

427814287 is a deficient number, since it is larger than the sum of its proper divisors (5154473).

427814287 is an equidigital number, since it uses as much as digits as its factorization.

427814287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5154472.

The product of its digits is 200704, while the sum is 43.

The square root of 427814287 is about 20683.6719902439. The cubic root of 427814287 is about 753.5031888947.

The spelling of 427814287 in words is "four hundred twenty-seven million, eight hundred fourteen thousand, two hundred eighty-seven".