427290475985 has 8 divisors (see below), whose sum is σ = 512798409576. Its totient is φ = 341799155200.

The previous prime is 427290475933. The next prime is 427290475993. The reversal of 427290475985 is 589574092724.

It can be written as a sum of positive squares in 4 ways, for example, as 62524002304 + 364766473681 = 250048^2 + 603959^2 .

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

It is not a de Polignac number, because 427290475985 - 2¹² = 427290471889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4096544 + ... + 4199553.

It is an arithmetic number, because the mean of its divisors is an integer number (64099801197).

Almost surely, 2^427290475985 is an apocalyptic number.

It is an amenable number.

427290475985 is a deficient number, since it is larger than the sum of its proper divisors (85507933591).

427290475985 is a wasteful number, since it uses less digits than its factorization.

427290475985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8306403.

The product of its (nonzero) digits is 50803200, while the sum is 62.

The spelling of 427290475985 in words is "four hundred twenty-seven billion, two hundred ninety million, four hundred seventy-five thousand, nine hundred eighty-five".