8105432215 has 4 divisors (see below), whose sum is σ = 9726518664. Its totient is φ = 6484345768.

The previous prime is 8105432201. The next prime is 8105432239. The reversal of 8105432215 is 5122345018.

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

It is a cyclic number.

It is not a de Polignac number, because 8105432215 - 2²⁹ = 7568561303 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, 810543217 + ... + 810543226.

It is an arithmetic number, because the mean of its divisors is an integer number (2431629666).

Almost surely, 2^8105432215 is an apocalyptic number.

8105432215 is a deficient number, since it is larger than the sum of its proper divisors (1621086449).

8105432215 is a wasteful number, since it uses less digits than its factorization.

8105432215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621086448.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 8105432215 is about 90030.1739140828. The cubic root of 8105432215 is about 2008.7477009975.

The spelling of 8105432215 in words is "eight billion, one hundred five million, four hundred thirty-two thousand, two hundred fifteen".