7667742113 has 2 divisors, whose sum is σ = 7667742114. Its totient is φ = 7667742112.

The previous prime is 7667742079. The next prime is 7667742127. The reversal of 7667742113 is 3112477667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7473083809 + 194658304 = 86447^2 + 13952^2 .

It is a cyclic number.

It is not a de Polignac number, because 7667742113 - 2⁸ = 7667741857 is a prime.

It is a super-2 number, since 2×7667742113² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7667742913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3833871056 + 3833871057.

It is an arithmetic number, because the mean of its divisors is an integer number (3833871057).

Almost surely, 2^7667742113 is an apocalyptic number.

It is an amenable number.

7667742113 is a deficient number, since it is larger than the sum of its proper divisors (1).

7667742113 is an equidigital number, since it uses as much as digits as its factorization.

7667742113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352, while the sum is 44.

The square root of 7667742113 is about 87565.6445930709. The cubic root of 7667742113 is about 1971.9194286779.

The spelling of 7667742113 in words is "seven billion, six hundred sixty-seven million, seven hundred forty-two thousand, one hundred thirteen".