427228678500 has 96 divisors (see below), whose sum is σ = 1339789196928. Its totient is φ = 105163977600.

The previous prime is 427228678489. The next prime is 427228678507. The reversal of 427228678500 is 5876822724.

It is not an unprimeable number, because it can be changed into a prime (427228678507) by changing a digit.

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, 10935082 + ... + 10974081.

It is an arithmetic number, because the mean of its divisors is an integer number (13956137468).

Almost surely, 2^427228678500 is an apocalyptic number.

It is an amenable number.

427228678500 is an abundant number, since it is smaller than the sum of its proper divisors (912560518428).

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

427228678500 is a wasteful number, since it uses less digits than its factorization.

427228678500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21909198 (or 21909186 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 51.

The spelling of 427228678500 in words is "four hundred twenty-seven billion, two hundred twenty-eight million, six hundred seventy-eight thousand, five hundred".