8193870720 has 192 divisors, whose sum is σ = 32336684640. Its totient is φ = 1872875520.

The previous prime is 8193870683. The next prime is 8193870721. The reversal of 8193870720 is 270783918.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8193870721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61291 + ... + 141930.

Almost surely, 2^8193870720 is an apocalyptic number.

8193870720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8193870720 is an abundant number, since it is smaller than the sum of its proper divisors (24142813920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8193870720 is a wasteful number, since it uses less digits than its factorization.

8193870720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203253 (or 203238 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 8193870720 is about 90520.0017675652. The cubic root of 8193870720 is about 2016.0271160374.

The spelling of 8193870720 in words is "eight billion, one hundred ninety-three million, eight hundred seventy thousand, seven hundred twenty".