8153712065 has 32 divisors (see below), whose sum is σ = 10418492160. Its totient is φ = 6116140800.

The previous prime is 8153712029. The next prime is 8153712103. The reversal of 8153712065 is 5602173518.

8153712065 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8153712065 - 2²⁰ = 8152663489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 683855 + ... + 695675.

It is an arithmetic number, because the mean of its divisors is an integer number (325577880).

Almost surely, 2^8153712065 is an apocalyptic number.

It is an amenable number.

8153712065 is a deficient number, since it is larger than the sum of its proper divisors (2264780095).

8153712065 is a wasteful number, since it uses less digits than its factorization.

8153712065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11993.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 8153712065 is about 90297.9073124067. The cubic root of 8153712065 is about 2012.7281638359.

The spelling of 8153712065 in words is "eight billion, one hundred fifty-three million, seven hundred twelve thousand, sixty-five".