8794216640 has 112 divisors (see below), whose sum is σ = 22888492704. Its totient is φ = 3191808000.

The previous prime is 8794216631. The next prime is 8794216643. The reversal of 8794216640 is 466124978.

It is a super-2 number, since 2×8794216640² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8794216643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2113442 + ... + 2117598.

It is an arithmetic number, because the mean of its divisors is an integer number (204361542).

Almost surely, 2^8794216640 is an apocalyptic number.

8794216640 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 8794216640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11444246352).

8794216640 is an abundant number, since it is smaller than the sum of its proper divisors (14094276064).

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

8794216640 is a wasteful number, since it uses less digits than its factorization.

8794216640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786 (or 4776 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 8794216640 is about 93777.4847178149. The cubic root of 8794216640 is about 2064.1078554700.

The spelling of 8794216640 in words is "eight billion, seven hundred ninety-four million, two hundred sixteen thousand, six hundred forty".