8089779492 has 72 divisors (see below), whose sum is σ = 21619852800. Its totient is φ = 2543462208.

The previous prime is 8089779491. The next prime is 8089779563. The reversal of 8089779492 is 2949779808.

It is not an unprimeable number, because it can be changed into a prime (8089779491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130813 + ... + 182459.

Almost surely, 2^8089779492 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 8089779492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10809926400).

8089779492 is an abundant number, since it is smaller than the sum of its proper divisors (13530073308).

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

8089779492 is a wasteful number, since it uses less digits than its factorization.

8089779492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51905 (or 51900 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The square root of 8089779492 is about 89943.2014773768. The cubic root of 8089779492 is about 2007.4538101795.

The spelling of 8089779492 in words is "eight billion, eighty-nine million, seven hundred seventy-nine thousand, four hundred ninety-two".