8919009792 has 960 divisors, whose sum is σ = 35747712000. Its totient is φ = 2194698240.

The previous prime is 8919009791. The next prime is 8919009809. The reversal of 8919009792 is 2979009198.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (8919009791) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 469421559 + ... + 469421577.

It is an arithmetic number, because the mean of its divisors is an integer number (37237200).

Almost surely, 2^8919009792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8919009792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17873856000).

8919009792 is an abundant number, since it is smaller than the sum of its proper divisors (26828702208).

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

8919009792 is an equidigital number, since it uses as much as digits as its factorization.

8919009792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 54.

The square root of 8919009792 is about 94440.5092743575. The cubic root of 8919009792 is about 2073.8255155965.

The spelling of 8919009792 in words is "eight billion, nine hundred nineteen million, nine thousand, seven hundred ninety-two".