7996662713 has 4 divisors (see below), whose sum is σ = 8611790628. Its totient is φ = 7381534800.

The previous prime is 7996662697. The next prime is 7996662733. The reversal of 7996662713 is 3172666997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3172666997 = 26489 ⋅119773.

It can be written as a sum of positive squares in 2 ways, for example, as 400320064 + 7596342649 = 20008^2 + 87157^2 .

It is a cyclic number.

It is not a de Polignac number, because 7996662713 - 2⁴ = 7996662697 is a prime.

It is a super-2 number, since 2×7996662713² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7996662733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307563938 + ... + 307563963.

It is an arithmetic number, because the mean of its divisors is an integer number (2152947657).

Almost surely, 2^7996662713 is an apocalyptic number.

It is an amenable number.

7996662713 is a deficient number, since it is larger than the sum of its proper divisors (615127915).

7996662713 is a wasteful number, since it uses less digits than its factorization.

7996662713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615127914.

The product of its digits is 5143824, while the sum is 56.

The square root of 7996662713 is about 89424.0611524661. The cubic root of 7996662713 is about 1999.7218540692.

The spelling of 7996662713 in words is "seven billion, nine hundred ninety-six million, six hundred sixty-two thousand, seven hundred thirteen".