766148250078749 has 2 divisors, whose sum is σ = 766148250078750. Its totient is φ = 766148250078748.

The previous prime is 766148250078649. The next prime is 766148250078773. The reversal of 766148250078749 is 947870052841667.

It is a happy number.

766148250078749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 484448111673124 + 281700138405625 = 22010182^2 + 16783925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-766148250078749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766148250078779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383074125039374 + 383074125039375.

It is an arithmetic number, because the mean of its divisors is an integer number (383074125039375).

Almost surely, 2^{766148250078749} is an apocalyptic number.

It is an amenable number.

766148250078749 is a deficient number, since it is larger than the sum of its proper divisors (1).

766148250078749 is an equidigital number, since it uses as much as digits as its factorization.

766148250078749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1137991680, while the sum is 74.

The spelling of 766148250078749 in words is "seven hundred sixty-six trillion, one hundred forty-eight billion, two hundred fifty million, seventy-eight thousand, seven hundred forty-nine".