8116768757 has 2 divisors, whose sum is σ = 8116768758. Its totient is φ = 8116768756.

The previous prime is 8116768721. The next prime is 8116768769. The reversal of 8116768757 is 7578676118.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7524868516 + 591900241 = 86746^2 + 24329^2 .

It is a cyclic number.

It is not a de Polignac number, because 8116768757 - 2¹⁸ = 8116506613 is a prime.

It is a super-2 number, since 2×8116768757² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8116768717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4058384378 + 4058384379.

It is an arithmetic number, because the mean of its divisors is an integer number (4058384379).

Almost surely, 2^8116768757 is an apocalyptic number.

It is an amenable number.

8116768757 is a deficient number, since it is larger than the sum of its proper divisors (1).

8116768757 is an equidigital number, since it uses as much as digits as its factorization.

8116768757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3951360, while the sum is 56.

The square root of 8116768757 is about 90093.1115957263. Note that the first 3 decimals coincide. The cubic root of 8116768757 is about 2009.6837664092.

The spelling of 8116768757 in words is "eight billion, one hundred sixteen million, seven hundred sixty-eight thousand, seven hundred fifty-seven".