9079993521 has 27 divisors (see below), whose sum is σ = 13720515627. Its totient is φ = 5785948080.

The previous prime is 9079993513. The next prime is 9079993553. The reversal of 9079993521 is 1253999709.

The square root of 9079993521 is 95289.

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

9079993521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4126649121 + 4953344400 = 64239^2 + 70380^2 .

It is not a de Polignac number, because 9079993521 - 2³ = 9079993513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9079993921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6574251 + ... + 6575631.

Almost surely, 2^9079993521 is an apocalyptic number.

9079993521 is the 95289-th square number.

9079993521 is the 47645-th centered octagonal number.

It is an amenable number.

9079993521 is a deficient number, since it is larger than the sum of its proper divisors (4640522106).

9079993521 is an equidigital number, since it uses as much as digits as its factorization.

9079993521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814 (or 1407 counting only the distinct ones).

The product of its (nonzero) digits is 1377810, while the sum is 54.

The cubic root of 9079993521 is about 2086.2283664542.

The spelling of 9079993521 in words is "nine billion, seventy-nine million, nine hundred ninety-three thousand, five hundred twenty-one".