427755967 has 2 divisors, whose sum is σ = 427755968. Its totient is φ = 427755966.

The previous prime is 427755917. The next prime is 427756019. The reversal of 427755967 is 769557724.

It is an a-pointer prime, because the next prime (427756019) can be obtained adding 427755967 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427755967 - 2¹¹ = 427753919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427755917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213877983 + 213877984.

It is an arithmetic number, because the mean of its divisors is an integer number (213877984).

Almost surely, 2^427755967 is an apocalyptic number.

427755967 is a deficient number, since it is larger than the sum of its proper divisors (1).

427755967 is an equidigital number, since it uses as much as digits as its factorization.

427755967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3704400, while the sum is 52.

The square root of 427755967 is about 20682.2621344958. The cubic root of 427755967 is about 753.4689479445.

The spelling of 427755967 in words is "four hundred twenty-seven million, seven hundred fifty-five thousand, nine hundred sixty-seven".