285478627204 has 27 divisors (see below), whose sum is σ = 501538165317. Its totient is φ = 142184173824.

The previous prime is 285478627199. The next prime is 285478627241. The reversal of 285478627204 is 402726874582.

It is a happy number.

The square root of 285478627204 is 534302.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 283503002500 + 1975624704 = 532450^2 + 44448^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 494763364 + ... + 494763940.

Almost surely, 2^285478627204 is an apocalyptic number.

285478627204 is the 534302-nd square number.

It is an amenable number.

285478627204 is a deficient number, since it is larger than the sum of its proper divisors (216059538113).

285478627204 is an frugal number, since it uses more digits than its factorization.

285478627204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 55.

The spelling of 285478627204 in words is "two hundred eighty-five billion, four hundred seventy-eight million, six hundred twenty-seven thousand, two hundred four".