854881461604 has 27 divisors (see below), whose sum is σ = 1507977216921. Its totient is φ = 424057626720.

The previous prime is 854881461491. The next prime is 854881461613. The reversal of 854881461604 is 406164188458.

The square root of 854881461604 is 924598.

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., 79918159204 + 774963302400 = 282698^2 + 880320^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 242242912 + ... + 242246440.

Almost surely, 2^854881461604 is an apocalyptic number.

854881461604 is the 924598-th square number.

It is an amenable number.

854881461604 is a deficient number, since it is larger than the sum of its proper divisors (653095755317).

854881461604 is an frugal number, since it uses more digits than its factorization.

854881461604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7324 (or 3662 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 55.

The spelling of 854881461604 in words is "eight hundred fifty-four billion, eight hundred eighty-one million, four hundred sixty-one thousand, six hundred four".