8313621871 has 8 divisors (see below), whose sum is σ = 8540089904. Its totient is φ = 8087247360.

The previous prime is 8313621859. The next prime is 8313621887. The reversal of 8313621871 is 1781263138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8313621871 - 2⁹ = 8313621359 is a prime.

It is a super-2 number, since 2×8313621871² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8313624871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180751 + ... + 222031.

It is an arithmetic number, because the mean of its divisors is an integer number (1067511238).

Almost surely, 2^8313621871 is an apocalyptic number.

8313621871 is a deficient number, since it is larger than the sum of its proper divisors (226468033).

8313621871 is a wasteful number, since it uses less digits than its factorization.

8313621871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46761.

The product of its digits is 48384, while the sum is 40.

The square root of 8313621871 is about 91179.0648723708. The cubic root of 8313621871 is about 2025.8008818907.

The spelling of 8313621871 in words is "eight billion, three hundred thirteen million, six hundred twenty-one thousand, eight hundred seventy-one".