427502886 has 36 divisors (see below), whose sum is σ = 896238252. Its totient is φ = 135933864.

The previous prime is 427502879. The next prime is 427502917. The reversal of 427502886 is 688205724.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1164675 + ... + 1165041.

It is an arithmetic number, because the mean of its divisors is an integer number (24895507).

Almost surely, 2^427502886 is an apocalyptic number.

427502886 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

427502886 is an abundant number, since it is smaller than the sum of its proper divisors (468735366).

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

427502886 is an equidigital number, since it uses as much as digits as its factorization.

427502886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 427502886 is about 20676.1429188328. The cubic root of 427502886 is about 753.3203224752.

The spelling of 427502886 in words is "four hundred twenty-seven million, five hundred two thousand, eight hundred eighty-six".