8305217215 has 8 divisors (see below), whose sum is σ = 9967494960. Its totient is φ = 6643350912.

The previous prime is 8305217201. The next prime is 8305217251. The reversal of 8305217215 is 5127125038.

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 8305217215 - 2⁷ = 8305217087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56554 + ... + 140743.

It is an arithmetic number, because the mean of its divisors is an integer number (1245936870).

Almost surely, 2^8305217215 is an apocalyptic number.

8305217215 is a deficient number, since it is larger than the sum of its proper divisors (1662277745).

8305217215 is a wasteful number, since it uses less digits than its factorization.

8305217215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205721.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 8305217215 is about 91132.9644804776. The cubic root of 8305217215 is about 2025.1179905847.

The spelling of 8305217215 in words is "eight billion, three hundred five million, two hundred seventeen thousand, two hundred fifteen".