8990239776 has 192 divisors, whose sum is σ = 27445017600. Its totient is φ = 2523902976.

The previous prime is 8990239763. The next prime is 8990239787. The reversal of 8990239776 is 6779320998.

It is a super-2 number, since 2×8990239776² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10181031 + ... + 10181913.

It is an arithmetic number, because the mean of its divisors is an integer number (142942800).

Almost surely, 2^8990239776 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 8990239776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13722508800).

8990239776 is an abundant number, since it is smaller than the sum of its proper divisors (18454777824).

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

8990239776 is a wasteful number, since it uses less digits than its factorization.

8990239776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 60.

The square root of 8990239776 is about 94816.8749537760. The cubic root of 8990239776 is about 2079.3316220344.

The spelling of 8990239776 in words is "eight billion, nine hundred ninety million, two hundred thirty-nine thousand, seven hundred seventy-six".