427636117 has 8 divisors (see below), whose sum is σ = 448444440. Its totient is φ = 407232000.

The previous prime is 427636091. The next prime is 427636123. The reversal of 427636117 is 711636724.

It can be written as a sum of positive squares in 4 ways, for example, as 214505316 + 213130801 = 14646^2 + 14599^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427636117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427636147) 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, 98884 + ... + 103117.

It is an arithmetic number, because the mean of its divisors is an integer number (56055555).

Almost surely, 2^427636117 is an apocalyptic number.

It is an amenable number.

427636117 is a deficient number, since it is larger than the sum of its proper divisors (20808323).

427636117 is a wasteful number, since it uses less digits than its factorization.

427636117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202103.

The product of its digits is 42336, while the sum is 37.

The square root of 427636117 is about 20679.3645211839. The cubic root of 427636117 is about 753.3985716120.

The spelling of 427636117 in words is "four hundred twenty-seven million, six hundred thirty-six thousand, one hundred seventeen".