766554533 has 2 divisors, whose sum is σ = 766554534. Its totient is φ = 766554532.

The previous prime is 766554517. The next prime is 766554583. The reversal of 766554533 is 335455667.

It is a happy number.

766554533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 536061409 + 230493124 = 23153^2 + 15182^2 .

It is a cyclic number.

It is not a de Polignac number, because 766554533 - 2⁴ = 766554517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766554583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383277266 + 383277267.

It is an arithmetic number, because the mean of its divisors is an integer number (383277267).

Almost surely, 2^766554533 is an apocalyptic number.

It is an amenable number.

766554533 is a deficient number, since it is larger than the sum of its proper divisors (1).

766554533 is an equidigital number, since it uses as much as digits as its factorization.

766554533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134000, while the sum is 44.

The square root of 766554533 is about 27686.7212396123. The cubic root of 766554533 is about 915.1965031297.

The spelling of 766554533 in words is "seven hundred sixty-six million, five hundred fifty-four thousand, five hundred thirty-three".