84446204985 has 12 divisors (see below), whose sum is σ = 146373422052. Its totient is φ = 45037975968.

The previous prime is 84446204903. The next prime is 84446205023. The reversal of 84446204985 is 58940264448.

It is a happy number.

84446204985 is a `hidden beast` number, since 8 + 4 + 4 + 4 + 620 + 4 + 9 + 8 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 64659844089 + 19786360896 = 254283^2 + 140664^2 .

It is not a de Polignac number, because 84446204985 - 2¹¹ = 84446202937 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 938291122 + ... + 938291211.

It is an arithmetic number, because the mean of its divisors is an integer number (12197785171).

Almost surely, 2^84446204985 is an apocalyptic number.

It is an amenable number.

84446204985 is a deficient number, since it is larger than the sum of its proper divisors (61927217067).

84446204985 is a wasteful number, since it uses less digits than its factorization.

84446204985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876582344 (or 1876582341 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 54.

The spelling of 84446204985 in words is "eighty-four billion, four hundred forty-six million, two hundred four thousand, nine hundred eighty-five".