1427467897 has 8 divisors (see below), whose sum is σ = 1449427616. Its totient is φ = 1405527552.

The previous prime is 1427467871. The next prime is 1427467907. The reversal of 1427467897 is 7987647241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1427467897 - 2¹¹ = 1427465849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1427467817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228538 + ... + 234700.

It is an arithmetic number, because the mean of its divisors is an integer number (181178452).

Almost surely, 2^1427467897 is an apocalyptic number.

It is an amenable number.

1427467897 is a deficient number, since it is larger than the sum of its proper divisors (21959719).

1427467897 is an equidigital number, since it uses as much as digits as its factorization.

1427467897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9687.

The product of its digits is 4741632, while the sum is 55.

The square root of 1427467897 is about 37781.8461301192. The cubic root of 1427467897 is about 1125.9578073846.

The spelling of 1427467897 in words is "one billion, four hundred twenty-seven million, four hundred sixty-seven thousand, eight hundred ninety-seven".