427606247 has 8 divisors (see below), whose sum is σ = 442647840. Its totient is φ = 412584480.

The previous prime is 427606241. The next prime is 427606259. The reversal of 427606247 is 742606724.

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

It is a cyclic number.

It is not a de Polignac number, because 427606247 - 2¹⁰ = 427605223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 427606247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427606241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49073 + ... + 57125.

It is an arithmetic number, because the mean of its divisors is an integer number (55330980).

Almost surely, 2^427606247 is an apocalyptic number.

427606247 is a deficient number, since it is larger than the sum of its proper divisors (15041593).

427606247 is a wasteful number, since it uses less digits than its factorization.

427606247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9913.

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 427606247 is about 20678.6422910209. The cubic root of 427606247 is about 753.3810297983.

The spelling of 427606247 in words is "four hundred twenty-seven million, six hundred six thousand, two hundred forty-seven".