8613297457 has 4 divisors (see below), whose sum is σ = 8702094436. Its totient is φ = 8524500480.

The previous prime is 8613297437. The next prime is 8613297461. The reversal of 8613297457 is 7547923168.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5066022976 + 3547274481 = 71176^2 + 59559^2 .

It is a cyclic number.

It is not a de Polignac number, because 8613297457 - 2¹⁵ = 8613264689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8613297437) 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, 44398344 + ... + 44398537.

It is an arithmetic number, because the mean of its divisors is an integer number (2175523609).

Almost surely, 2^8613297457 is an apocalyptic number.

It is an amenable number.

8613297457 is a deficient number, since it is larger than the sum of its proper divisors (88796979).

8613297457 is an equidigital number, since it uses as much as digits as its factorization.

8613297457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88796978.

The product of its digits is 2540160, while the sum is 52.

The square root of 8613297457 is about 92807.8523455855. The cubic root of 8613297457 is about 2049.8550329374.

The spelling of 8613297457 in words is "eight billion, six hundred thirteen million, two hundred ninety-seven thousand, four hundred fifty-seven".