766182881 has 2 divisors, whose sum is σ = 766182882. Its totient is φ = 766182880.

The previous prime is 766182839. The next prime is 766182899. The reversal of 766182881 is 188281667.

It is a happy number.

766182881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 739350481 + 26832400 = 27191^2 + 5180^2 .

It is a cyclic number.

It is not a de Polignac number, because 766182881 - 2¹⁴ = 766166497 is a prime.

It is a super-2 number, since 2×766182881² = 1174072414274920322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (766182811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383091440 + 383091441.

It is an arithmetic number, because the mean of its divisors is an integer number (383091441).

Almost surely, 2^766182881 is an apocalyptic number.

It is an amenable number.

766182881 is a deficient number, since it is larger than the sum of its proper divisors (1).

766182881 is an equidigital number, since it uses as much as digits as its factorization.

766182881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 47.

The square root of 766182881 is about 27680.0086885825. The cubic root of 766182881 is about 915.0485729736.

The spelling of 766182881 in words is "seven hundred sixty-six million, one hundred eighty-two thousand, eight hundred eighty-one".