8219352085 has 16 divisors (see below), whose sum is σ = 11334540672. Its totient is φ = 5604984000.

The previous prime is 8219352067. The next prime is 8219352103. The reversal of 8219352085 is 5802539128.

It is an interprime number because it is at equal distance from previous prime (8219352067) and next prime (8219352103).

It is not a de Polignac number, because 8219352085 - 2¹¹ = 8219350037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642391 + ... + 655060.

It is an arithmetic number, because the mean of its divisors is an integer number (708408792).

Almost surely, 2^8219352085 is an apocalyptic number.

It is an amenable number.

8219352085 is a deficient number, since it is larger than the sum of its proper divisors (3115188587).

8219352085 is a wasteful number, since it uses less digits than its factorization.

8219352085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297644.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 8219352085 is about 90660.6424254759. The cubic root of 8219352085 is about 2018.1147725681.

The spelling of 8219352085 in words is "eight billion, two hundred nineteen million, three hundred fifty-two thousand, eighty-five".