427534487 has 2 divisors, whose sum is σ = 427534488. Its totient is φ = 427534486.

The previous prime is 427534469. The next prime is 427534531. The reversal of 427534487 is 784435724.

It is an a-pointer prime, because the next prime (427534531) can be obtained adding 427534487 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427534487 - 2¹² = 427530391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427434487) 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 as a sum of consecutive naturals, namely, 213767243 + 213767244.

It is an arithmetic number, because the mean of its divisors is an integer number (213767244).

Almost surely, 2^427534487 is an apocalyptic number.

427534487 is a deficient number, since it is larger than the sum of its proper divisors (1).

427534487 is an equidigital number, since it uses as much as digits as its factorization.

427534487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752640, while the sum is 44.

The square root of 427534487 is about 20676.9070946310. The cubic root of 427534487 is about 753.3388838228.

The spelling of 427534487 in words is "four hundred twenty-seven million, five hundred thirty-four thousand, four hundred eighty-seven".