84563476804 has 9 divisors (see below), whose sum is σ = 147987102207. Its totient is φ = 42281447604.

The previous prime is 84563476799. The next prime is 84563476819. The reversal of 84563476804 is 40867436548.

It is a happy number.

The square root of 84563476804 is 290798.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 508897 + ... + 654295.

Almost surely, 2^84563476804 is an apocalyptic number.

84563476804 is the 290798-th square number.

It is an amenable number.

84563476804 is a deficient number, since it is larger than the sum of its proper divisors (63423625403).

84563476804 is an frugal number, since it uses more digits than its factorization.

84563476804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290802 (or 145401 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 55.

The spelling of 84563476804 in words is "eighty-four billion, five hundred sixty-three million, four hundred seventy-six thousand, eight hundred four".