8735017009 has 4 divisors (see below), whose sum is σ = 8736496704. Its totient is φ = 8733537316.

The previous prime is 8735016967. The next prime is 8735017013. The reversal of 8735017009 is 9007105378.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9007105378 = 2 ⋅4503552689.

It is a cyclic number.

It is not a de Polignac number, because 8735017009 - 2⁹ = 8735016497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8735017019) 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, 730957 + ... + 742810.

It is an arithmetic number, because the mean of its divisors is an integer number (2184124176).

Almost surely, 2^8735017009 is an apocalyptic number.

It is an amenable number.

8735017009 is a deficient number, since it is larger than the sum of its proper divisors (1479695).

8735017009 is a wasteful number, since it uses less digits than its factorization.

8735017009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479694.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 8735017009 is about 93461.3129000444. The cubic root of 8735017009 is about 2059.4658030594.

The spelling of 8735017009 in words is "eight billion, seven hundred thirty-five million, seventeen thousand, nine".