766928853 has 12 divisors (see below), whose sum is σ = 1117591020. Its totient is φ = 506760576.

The previous prime is 766928843. The next prime is 766928857. The reversal of 766928853 is 358829667.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54199044 + 712729809 = 7362^2 + 26697^2 .

It is not a de Polignac number, because 766928853 - 2¹⁰ = 766927829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 766928853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766928857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376038 + ... + 378071.

It is an arithmetic number, because the mean of its divisors is an integer number (93132585).

Almost surely, 2^766928853 is an apocalyptic number.

It is an amenable number.

766928853 is a deficient number, since it is larger than the sum of its proper divisors (350662167).

766928853 is a wasteful number, since it uses less digits than its factorization.

766928853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754228 (or 754225 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 766928853 is about 27693.4803338259. The cubic root of 766928853 is about 915.3454469181.

The spelling of 766928853 in words is "seven hundred sixty-six million, nine hundred twenty-eight thousand, eight hundred fifty-three".