8457317013 has 8 divisors (see below), whose sum is σ = 11538665248. Its totient is φ = 5507090064.

The previous prime is 8457317003. The next prime is 8457317023. The reversal of 8457317013 is 3107137548.

It is an interprime number because it is at equal distance from previous prime (8457317003) and next prime (8457317023).

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

It is not a de Polignac number, because 8457317013 - 2⁴ = 8457316997 is a prime.

It is a super-2 number, since 2×8457317013² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8457317003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32780170 + ... + 32780427.

It is an arithmetic number, because the mean of its divisors is an integer number (1442333156).

Almost surely, 2^8457317013 is an apocalyptic number.

It is an amenable number.

8457317013 is a deficient number, since it is larger than the sum of its proper divisors (3081348235).

8457317013 is a wasteful number, since it uses less digits than its factorization.

8457317013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65560643.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 8457317013 is about 91963.6722461647. The cubic root of 8457317013 is about 2037.4057929168.

The spelling of 8457317013 in words is "eight billion, four hundred fifty-seven million, three hundred seventeen thousand, thirteen".