768860662253 has 2 divisors, whose sum is σ = 768860662254. Its totient is φ = 768860662252.

The previous prime is 768860662159. The next prime is 768860662267. The reversal of 768860662253 is 352266068867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 733280517124 + 35580145129 = 856318^2 + 188627^2 .

It is a cyclic number.

It is not a de Polignac number, because 768860662253 - 2¹² = 768860658157 is a prime.

It is a super-2 number, since 2×768860662253² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 768860662192 and 768860662201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768860662153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384430331126 + 384430331127.

It is an arithmetic number, because the mean of its divisors is an integer number (384430331127).

Almost surely, 2^768860662253 is an apocalyptic number.

It is an amenable number.

768860662253 is a deficient number, since it is larger than the sum of its proper divisors (1).

768860662253 is an equidigital number, since it uses as much as digits as its factorization.

768860662253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34836480, while the sum is 59.

The spelling of 768860662253 in words is "seven hundred sixty-eight billion, eight hundred sixty million, six hundred sixty-two thousand, two hundred fifty-three".