427605754565 has 32 divisors (see below), whose sum is σ = 571804272000. Its totient is φ = 304333169920.

The previous prime is 427605754559. The next prime is 427605754567. The reversal of 427605754565 is 565457506724.

It is not a de Polignac number, because 427605754565 - 2¹⁰ = 427605753541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427605754565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427605754567) 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 31 ways as a sum of consecutive naturals, for example, 945386 + ... + 1322484.

It is an arithmetic number, because the mean of its divisors is an integer number (17868883500).

Almost surely, 2^427605754565 is an apocalyptic number.

It is an amenable number.

427605754565 is a deficient number, since it is larger than the sum of its proper divisors (144198517435).

427605754565 is a wasteful number, since it uses less digits than its factorization.

427605754565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377557.

The product of its (nonzero) digits is 35280000, while the sum is 56.

The spelling of 427605754565 in words is "four hundred twenty-seven billion, six hundred five million, seven hundred fifty-four thousand, five hundred sixty-five".