8668507253 has 4 divisors (see below), whose sum is σ = 9906865440. Its totient is φ = 7430149068.

The previous prime is 8668507231. The next prime is 8668507259. The reversal of 8668507253 is 3527058668.

8668507253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 8668507253 - 2⁸ = 8668506997 is a prime.

It is a super-3 number, since 3×8668507253³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8668507259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619179083 + ... + 619179096.

It is an arithmetic number, because the mean of its divisors is an integer number (2476716360).

Almost surely, 2^8668507253 is an apocalyptic number.

It is an amenable number.

8668507253 is a deficient number, since it is larger than the sum of its proper divisors (1238358187).

8668507253 is a wasteful number, since it uses less digits than its factorization.

8668507253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238358186.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The square root of 8668507253 is about 93104.8186346980. The cubic root of 8668507253 is about 2054.2254509441.

The spelling of 8668507253 in words is "eight billion, six hundred sixty-eight million, five hundred seven thousand, two hundred fifty-three".