8120532996 has 81 divisors (see below), whose sum is σ = 21491091349. Its totient is φ = 2585190432.

The previous prime is 8120532989. The next prime is 8120532997. The reversal of 8120532996 is 6992350218.

The square root of 8120532996 is 90114.

It is a perfect power (a square), and thus also a powerful number.

8120532996 is a `hidden beast` number, since 8 + 1 + 20 + 532 + 9 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1889640900 + 6230892096 = 43470^2 + 78936^2 .

It is a super-2 number, since 2×8120532996² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8120532997) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12435406 + ... + 12436058.

Almost surely, 2^8120532996 is an apocalyptic number.

8120532996 is the 90114-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8120532996

8120532996 is an abundant number, since it is smaller than the sum of its proper divisors (13370558353).

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

8120532996 is a wasteful number, since it uses less digits than its factorization.

8120532996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The cubic root of 8120532996 is about 2009.9943892321.

The spelling of 8120532996 in words is "eight billion, one hundred twenty million, five hundred thirty-two thousand, nine hundred ninety-six".