8141376805 has 4 divisors (see below), whose sum is σ = 9769652172. Its totient is φ = 6513101440.

The previous prime is 8141376797. The next prime is 8141376821. The reversal of 8141376805 is 5086731418.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1222131681 + 6919245124 = 34959^2 + 83182^2 .

It is not a de Polignac number, because 8141376805 - 2³ = 8141376797 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, 814137676 + ... + 814137685.

It is an arithmetic number, because the mean of its divisors is an integer number (2442413043).

Almost surely, 2^8141376805 is an apocalyptic number.

It is an amenable number.

8141376805 is a deficient number, since it is larger than the sum of its proper divisors (1628275367).

8141376805 is a wasteful number, since it uses less digits than its factorization.

8141376805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628275366.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 8141376805 is about 90229.5783266219. The cubic root of 8141376805 is about 2011.7126731585.

The spelling of 8141376805 in words is "eight billion, one hundred forty-one million, three hundred seventy-six thousand, eight hundred five".