766550341 has 2 divisors, whose sum is σ = 766550342. Its totient is φ = 766550340.

The previous prime is 766550333. The next prime is 766550347. The reversal of 766550341 is 143055667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 544242241 + 222308100 = 23329^2 + 14910^2 .

It is a cyclic number.

It is not a de Polignac number, because 766550341 - 2³ = 766550333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 766550341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766550347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383275170 + 383275171.

It is an arithmetic number, because the mean of its divisors is an integer number (383275171).

Almost surely, 2^766550341 is an apocalyptic number.

It is an amenable number.

766550341 is a deficient number, since it is larger than the sum of its proper divisors (1).

766550341 is an equidigital number, since it uses as much as digits as its factorization.

766550341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 766550341 is about 27686.6455353479. The cubic root of 766550341 is about 915.1948348376.

The spelling of 766550341 in words is "seven hundred sixty-six million, five hundred fifty thousand, three hundred forty-one".