766799485 has 4 divisors (see below), whose sum is σ = 920159388. Its totient is φ = 613439584.

The previous prime is 766799483. The next prime is 766799489. The reversal of 766799485 is 584997667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584997667 = 103 ⋅5679589.

It can be written as a sum of positive squares in 2 ways, for example, as 577296729 + 189502756 = 24027^2 + 13766^2 .

It is a cyclic number.

It is not a de Polignac number, because 766799485 - 2¹ = 766799483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766799483) 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 3 ways as a sum of consecutive naturals, for example, 76679944 + ... + 76679953.

It is an arithmetic number, because the mean of its divisors is an integer number (230039847).

Almost surely, 2^766799485 is an apocalyptic number.

It is an amenable number.

766799485 is a deficient number, since it is larger than the sum of its proper divisors (153359903).

766799485 is a wasteful number, since it uses less digits than its factorization.

766799485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153359902.

The product of its digits is 22861440, while the sum is 61.

The square root of 766799485 is about 27691.1445231142. The cubic root of 766799485 is about 915.2939762295.

The spelling of 766799485 in words is "seven hundred sixty-six million, seven hundred ninety-nine thousand, four hundred eighty-five".