427260669 has 8 divisors (see below), whose sum is σ = 621470112. Its totient is φ = 258945840.

The previous prime is 427260661. The next prime is 427260671. The reversal of 427260669 is 966062724.

It is a happy number.

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

It is not a de Polignac number, because 427260669 - 2³ = 427260661 is a prime.

It is a super-2 number, since 2×427260669² = 365103358548655122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 427260669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427260661) 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, 6473614 + ... + 6473679.

It is an arithmetic number, because the mean of its divisors is an integer number (77683764).

Almost surely, 2^427260669 is an apocalyptic number.

It is an amenable number.

427260669 is a deficient number, since it is larger than the sum of its proper divisors (194209443).

427260669 is a wasteful number, since it uses less digits than its factorization.

427260669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12947307.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 427260669 is about 20670.2846859931. The cubic root of 427260669 is about 753.1780221022.

The spelling of 427260669 in words is "four hundred twenty-seven million, two hundred sixty thousand, six hundred sixty-nine".