8219038805 has 8 divisors (see below), whose sum is σ = 9885112992. Its totient is φ = 6560386768.

The previous prime is 8219038777. The next prime is 8219038831. The reversal of 8219038805 is 5088309128.

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

It is a cyclic number.

It is not a de Polignac number, because 8219038805 - 2²⁴ = 8202261589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1853099 + ... + 1857528.

It is an arithmetic number, because the mean of its divisors is an integer number (1235639124).

Almost surely, 2^8219038805 is an apocalyptic number.

It is an amenable number.

8219038805 is a deficient number, since it is larger than the sum of its proper divisors (1666074187).

8219038805 is a wasteful number, since it uses less digits than its factorization.

8219038805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711075.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 8219038805 is about 90658.9146471543. The cubic root of 8219038805 is about 2018.0891321436.

The spelling of 8219038805 in words is "eight billion, two hundred nineteen million, thirty-eight thousand, eight hundred five".