427180065 has 32 divisors (see below), whose sum is σ = 737296896. Its totient is φ = 209952000.

The previous prime is 427180043. The next prime is 427180067. The reversal of 427180065 is 560081724.

It is not a de Polignac number, because 427180065 - 2⁷ = 427179937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427180067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144987 + ... + 147903.

It is an arithmetic number, because the mean of its divisors is an integer number (23040528).

Almost surely, 2^427180065 is an apocalyptic number.

It is an amenable number.

427180065 is a deficient number, since it is larger than the sum of its proper divisors (310116831).

427180065 is a wasteful number, since it uses less digits than its factorization.

427180065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3689.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 427180065 is about 20668.3348385882. The cubic root of 427180065 is about 753.1306560298.

The spelling of 427180065 in words is "four hundred twenty-seven million, one hundred eighty thousand, sixty-five".