427585906764 has 72 divisors (see below), whose sum is σ = 1084025480720. Its totient is φ = 142109251200.

The previous prime is 427585906691. The next prime is 427585906789. The reversal of 427585906764 is 467609585724.

427585906764 is a `hidden beast` number, since 42 + 7 + 585 + 9 + 0 + 6 + 7 + 6 + 4 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 30471702 + ... + 30485730.

Almost surely, 2^427585906764 is an apocalyptic number.

It is an amenable number.

427585906764 is an abundant number, since it is smaller than the sum of its proper divisors (656439573956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427585906764 is a wasteful number, since it uses less digits than its factorization.

427585906764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16471 (or 16466 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 63.

The spelling of 427585906764 in words is "four hundred twenty-seven billion, five hundred eighty-five million, nine hundred six thousand, seven hundred sixty-four".