8023821164 has 12 divisors (see below), whose sum is σ = 14062250664. Its totient is φ = 4006035264.

The previous prime is 8023821161. The next prime is 8023821173. The reversal of 8023821164 is 4611283208.

It is not an unprimeable number, because it can be changed into a prime (8023821161) 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, 1465757 + ... + 1471220.

It is an arithmetic number, because the mean of its divisors is an integer number (1171854222).

Almost surely, 2^8023821164 is an apocalyptic number.

It is an amenable number.

8023821164 is a deficient number, since it is larger than the sum of its proper divisors (6038429500).

8023821164 is a wasteful number, since it uses less digits than its factorization.

8023821164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937664 (or 2937662 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 8023821164 is about 89575.7844732604. The cubic root of 8023821164 is about 2001.9831299479.

The spelling of 8023821164 in words is "eight billion, twenty-three million, eight hundred twenty-one thousand, one hundred sixty-four".