8361794784 has 48 divisors (see below), whose sum is σ = 25085386368. Its totient is φ = 2389084032.

The previous prime is 8361794773. The next prime is 8361794801. The reversal of 8361794784 is 4874971638.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×8361794784² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6220902 + ... + 6222245.

It is an arithmetic number, because the mean of its divisors is an integer number (522612216).

Almost surely, 2^8361794784 is an apocalyptic number.

8361794784 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8361794784 is an abundant number, since it is smaller than the sum of its proper divisors (16723591584).

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

8361794784 is a wasteful number, since it uses less digits than its factorization.

8361794784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12443167 (or 12443159 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 57.

The square root of 8361794784 is about 91442.8498243575. The cubic root of 8361794784 is about 2029.7061530392.

The spelling of 8361794784 in words is "eight billion, three hundred sixty-one million, seven hundred ninety-four thousand, seven hundred eighty-four".