766761764 has 12 divisors (see below), whose sum is σ = 1400173824. Its totient is φ = 366712104.

The previous prime is 766761763. The next prime is 766761791. The reversal of 766761764 is 467167667.

It is not an unprimeable number, because it can be changed into a prime (766761763) 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, 4167092 + ... + 4167275.

It is an arithmetic number, because the mean of its divisors is an integer number (116681152).

Almost surely, 2^766761764 is an apocalyptic number.

It is an amenable number.

766761764 is a deficient number, since it is larger than the sum of its proper divisors (633412060).

766761764 is a wasteful number, since it uses less digits than its factorization.

766761764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8334394 (or 8334392 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 50.

The square root of 766761764 is about 27690.4634125180. The cubic root of 766761764 is about 915.2789673643.

The spelling of 766761764 in words is "seven hundred sixty-six million, seven hundred sixty-one thousand, seven hundred sixty-four".