84894033646804 has 12 divisors (see below), whose sum is σ = 148686633302004. Its totient is φ = 42412138417664.

The previous prime is 84894033646781. The next prime is 84894033646843. The reversal of 84894033646804 is 40864633049848.

It can be written as a sum of positive squares in 2 ways, for example, as 38585192043204 + 46308841603600 = 6211698^2 + 6805060^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 84894033646804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8719595959 + ... + 8719605694.

It is an arithmetic number, because the mean of its divisors is an integer number (12390552775167).

Almost surely, 2^{84894033646804} is an apocalyptic number.

It is an amenable number.

84894033646804 is a deficient number, since it is larger than the sum of its proper divisors (63792599655200).

84894033646804 is a wasteful number, since it uses less digits than its factorization.

84894033646804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17439202874 (or 17439202872 counting only the distinct ones).

The product of its (nonzero) digits is 382205952, while the sum is 67.

The spelling of 84894033646804 in words is "eighty-four trillion, eight hundred ninety-four billion, thirty-three million, six hundred forty-six thousand, eight hundred four".