8320829871 has 4 divisors (see below), whose sum is σ = 11094439832. Its totient is φ = 5547219912.

The previous prime is 8320829863. The next prime is 8320829879. The reversal of 8320829871 is 1789280238.

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

It is an interprime number because it is at equal distance from previous prime (8320829863) and next prime (8320829879).

It is not a de Polignac number, because 8320829871 - 2³ = 8320829863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8320829871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8320829879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386804976 + ... + 1386804981.

It is an arithmetic number, because the mean of its divisors is an integer number (2773609958).

Almost surely, 2^8320829871 is an apocalyptic number.

8320829871 is a deficient number, since it is larger than the sum of its proper divisors (2773609961).

8320829871 is a wasteful number, since it uses less digits than its factorization.

8320829871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773609960.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 8320829871 is about 91218.5829258491. The cubic root of 8320829871 is about 2026.3861765229.

The spelling of 8320829871 in words is "eight billion, three hundred twenty million, eight hundred twenty-nine thousand, eight hundred seventy-one".