8690079521 has 8 divisors (see below), whose sum is σ = 8800041984. Its totient is φ = 8580766320.

The previous prime is 8690079479. The next prime is 8690079529. The reversal of 8690079521 is 1259700968.

8690079521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8690079521 - 2³⁰ = 7616337697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8690079529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135350 + ... + 188943.

It is an arithmetic number, because the mean of its divisors is an integer number (1100005248).

Almost surely, 2^8690079521 is an apocalyptic number.

It is an amenable number.

8690079521 is a deficient number, since it is larger than the sum of its proper divisors (109962463).

8690079521 is a wasteful number, since it uses less digits than its factorization.

8690079521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324631.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 8690079521 is about 93220.5960128984. The cubic root of 8690079521 is about 2055.9280736879.

The spelling of 8690079521 in words is "eight billion, six hundred ninety million, seventy-nine thousand, five hundred twenty-one".