8641728995 has 8 divisors (see below), whose sum is σ = 10727663760. Its totient is φ = 6674990560.

The previous prime is 8641728959. The next prime is 8641729009. The reversal of 8641728995 is 5998271468.

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

It is not a de Polignac number, because 8641728995 - 2²⁴ = 8624951779 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29798921 + ... + 29799210.

It is an arithmetic number, because the mean of its divisors is an integer number (1340957970).

Almost surely, 2^8641728995 is an apocalyptic number.

8641728995 is a deficient number, since it is larger than the sum of its proper divisors (2085934765).

8641728995 is a wasteful number, since it uses less digits than its factorization.

8641728995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59598165.

The product of its digits is 8709120, while the sum is 59.

The square root of 8641728995 is about 92960.9003560099. The cubic root of 8641728995 is about 2052.1080037281.

The spelling of 8641728995 in words is "eight billion, six hundred forty-one million, seven hundred twenty-eight thousand, nine hundred ninety-five".