8371716405 has 32 divisors (see below), whose sum is σ = 14776957440. Its totient is φ = 4020933120.

The previous prime is 8371716401. The next prime is 8371716461. The reversal of 8371716405 is 5046171738.

It is not a de Polignac number, because 8371716405 - 2² = 8371716401 is a prime.

It is a super-2 number, since 2×8371716405² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8371716401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515565 + ... + 531554.

It is an arithmetic number, because the mean of its divisors is an integer number (461779920).

Almost surely, 2^8371716405 is an apocalyptic number.

It is an amenable number.

8371716405 is a deficient number, since it is larger than the sum of its proper divisors (6405241035).

8371716405 is a wasteful number, since it uses less digits than its factorization.

8371716405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047181.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 8371716405 is about 91497.0841338673. The cubic root of 8371716405 is about 2030.5086129619.

The spelling of 8371716405 in words is "eight billion, three hundred seventy-one million, seven hundred sixteen thousand, four hundred five".