427088508 has 96 divisors (see below), whose sum is σ = 1267929600. Its totient is φ = 110920320.

The previous prime is 427088491. The next prime is 427088579. The reversal of 427088508 is 805880724.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 427088508.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 40560 + ... + 49992.

It is an arithmetic number, because the mean of its divisors is an integer number (13207600).

Almost surely, 2^427088508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427088508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633964800).

427088508 is an abundant number, since it is smaller than the sum of its proper divisors (840841092).

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

427088508 is a wasteful number, since it uses less digits than its factorization.

427088508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9472 (or 9456 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 427088508 is about 20666.1198099692. The cubic root of 427088508 is about 753.0768463166.

The spelling of 427088508 in words is "four hundred twenty-seven million, eighty-eight thousand, five hundred eight".