427988735 has 8 divisors (see below), whose sum is σ = 518881776. Its totient is φ = 338860800.

The previous prime is 427988723. The next prime is 427988747. The reversal of 427988735 is 537889724.

It is an interprime number because it is at equal distance from previous prime (427988723) and next prime (427988747).

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

It is not a de Polignac number, because 427988735 - 2⁸ = 427988479 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 440741 + ... + 441710.

It is an arithmetic number, because the mean of its divisors is an integer number (64860222).

Almost surely, 2^427988735 is an apocalyptic number.

427988735 is a deficient number, since it is larger than the sum of its proper divisors (90893041).

427988735 is an equidigital number, since it uses as much as digits as its factorization.

427988735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882553.

The product of its digits is 3386880, while the sum is 53.

The square root of 427988735 is about 20687.8886066220. Note that the first 3 decimals coincide. The cubic root of 427988735 is about 753.6055925667.

The spelling of 427988735 in words is "four hundred twenty-seven million, nine hundred eighty-eight thousand, seven hundred thirty-five".