816471483770 has 8 divisors (see below), whose sum is σ = 1469648670804. Its totient is φ = 326588593504.

The previous prime is 816471483743. The next prime is 816471483781. The reversal of 816471483770 is 77384174618.

It can be written as a sum of positive squares in 2 ways, for example, as 773771807449 + 42699676321 = 879643^2 + 206639^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40823574179 + ... + 40823574198.

Almost surely, 2^816471483770 is an apocalyptic number.

816471483770 is a deficient number, since it is larger than the sum of its proper divisors (653177187034).

816471483770 is a wasteful number, since it uses less digits than its factorization.

816471483770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81647148384.

The product of its (nonzero) digits is 6322176, while the sum is 56.

The spelling of 816471483770 in words is "eight hundred sixteen billion, four hundred seventy-one million, four hundred eighty-three thousand, seven hundred seventy".