8601728290 has 8 divisors (see below), whose sum is σ = 15483110940. Its totient is φ = 3440691312.

The previous prime is 8601728273. The next prime is 8601728293. The reversal of 8601728290 is 928271068.

It can be written as a sum of positive squares in 2 ways, for example, as 7030319409 + 1571408881 = 83847^2 + 39641^2 .

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

It is not an unprimeable number, because it can be changed into a prime (8601728293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430086405 + ... + 430086424.

Almost surely, 2^8601728290 is an apocalyptic number.

8601728290 is a deficient number, since it is larger than the sum of its proper divisors (6881382650).

8601728290 is a wasteful number, since it uses less digits than its factorization.

8601728290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860172836.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 8601728290 is about 92745.5028020227. The cubic root of 8601728290 is about 2048.9368502823.

The spelling of 8601728290 in words is "eight billion, six hundred one million, seven hundred twenty-eight thousand, two hundred ninety".