427228568385 has 16 divisors (see below), whose sum is σ = 700238044800. Its totient is φ = 222297791360.

The previous prime is 427228568359. The next prime is 427228568401. The reversal of 427228568385 is 583865822724.

427228568385 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 427228568385 - 2¹⁹ = 427228044097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347339685 + ... + 347340914.

It is an arithmetic number, because the mean of its divisors is an integer number (43764877800).

Almost surely, 2^427228568385 is an apocalyptic number.

It is an amenable number.

427228568385 is a deficient number, since it is larger than the sum of its proper divisors (273009476415).

427228568385 is a wasteful number, since it uses less digits than its factorization.

427228568385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694680648.

The product of its digits is 51609600, while the sum is 60.

The spelling of 427228568385 in words is "four hundred twenty-seven billion, two hundred twenty-eight million, five hundred sixty-eight thousand, three hundred eighty-five".