8195783520 has 96 divisors (see below), whose sum is σ = 25875666432. Its totient is φ = 2180552192.

The previous prime is 8195783443. The next prime is 8195783537. The reversal of 8195783520 is 253875918.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 8195783520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193369 + ... + 231911.

It is an arithmetic number, because the mean of its divisors is an integer number (269538192).

Almost surely, 2^8195783520 is an apocalyptic number.

8195783520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8195783520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12937833216).

8195783520 is an abundant number, since it is smaller than the sum of its proper divisors (17679882912).

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

8195783520 is a wasteful number, since it uses less digits than its factorization.

8195783520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39004 (or 38996 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 8195783520 is about 90530.5667716711. The cubic root of 8195783520 is about 2016.1839794933.

The spelling of 8195783520 in words is "eight billion, one hundred ninety-five million, seven hundred eighty-three thousand, five hundred twenty".