84904396804 has 6 divisors (see below), whose sum is σ = 148582694414. Its totient is φ = 42452198400.

The previous prime is 84904396789. The next prime is 84904396813. The reversal of 84904396804 is 40869340948.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42600134404 + 42304262400 = 206398^2 + 205680^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10613049597 + ... + 10613049604.

Almost surely, 2^84904396804 is an apocalyptic number.

It is an amenable number.

84904396804 is a deficient number, since it is larger than the sum of its proper divisors (63678297610).

84904396804 is a wasteful number, since it uses less digits than its factorization.

84904396804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21226099205 (or 21226099203 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 84904396804 in words is "eighty-four billion, nine hundred four million, three hundred ninety-six thousand, eight hundred four".