8216294615 has 4 divisors (see below), whose sum is σ = 9859553544. Its totient is φ = 6573035688.

The previous prime is 8216294579. The next prime is 8216294641. The reversal of 8216294615 is 5164926128.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8216294615 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821629457 + ... + 821629466.

It is an arithmetic number, because the mean of its divisors is an integer number (2464888386).

Almost surely, 2^8216294615 is an apocalyptic number.

8216294615 is a deficient number, since it is larger than the sum of its proper divisors (1643258929).

8216294615 is a wasteful number, since it uses less digits than its factorization.

8216294615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643258928.

The product of its digits is 207360, while the sum is 44.

The square root of 8216294615 is about 90643.7786888874. The cubic root of 8216294615 is about 2017.8645058578.

The spelling of 8216294615 in words is "eight billion, two hundred sixteen million, two hundred ninety-four thousand, six hundred fifteen".