427782488 has 16 divisors (see below), whose sum is σ = 916676880. Its totient is φ = 183335328.

The previous prime is 427782449. The next prime is 427782499. The reversal of 427782488 is 884287724.

It is a nude number because it is divisible by every one of its digits.

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 3 ways as a sum of consecutive naturals, for example, 3819431 + ... + 3819542.

It is an arithmetic number, because the mean of its divisors is an integer number (57292305).

Almost surely, 2^427782488 is an apocalyptic number.

It is an amenable number.

427782488 is an abundant number, since it is smaller than the sum of its proper divisors (488894392).

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

427782488 is a wasteful number, since it uses less digits than its factorization.

427782488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638986 (or 7638982 counting only the distinct ones).

The product of its digits is 1605632, while the sum is 50.

The square root of 427782488 is about 20682.9032778283. The cubic root of 427782488 is about 753.4845193907.

The spelling of 427782488 in words is "four hundred twenty-seven million, seven hundred eighty-two thousand, four hundred eighty-eight".