768550249 has 4 divisors (see below), whose sum is σ = 768612564. Its totient is φ = 768487936.

The previous prime is 768550243. The next prime is 768550253. The reversal of 768550249 is 942055867.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 345960000 + 422590249 = 18600^2 + 20557^2 .

It is a cyclic number.

It is not a de Polignac number, because 768550249 - 2¹³ = 768542057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 768550199 and 768550208.

It is not an unprimeable number, because it can be changed into a prime (768550243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5752 + ... + 39625.

It is an arithmetic number, because the mean of its divisors is an integer number (192153141).

Almost surely, 2^768550249 is an apocalyptic number.

It is an amenable number.

768550249 is a deficient number, since it is larger than the sum of its proper divisors (62315).

768550249 is a wasteful number, since it uses less digits than its factorization.

768550249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62314.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 768550249 is about 27722.7388437723. The cubic root of 768550249 is about 915.9900494238.

The spelling of 768550249 in words is "seven hundred sixty-eight million, five hundred fifty thousand, two hundred forty-nine".