766600765998 has 16 divisors (see below), whose sum is σ = 1559187999360. Its totient is φ = 251202510776.

The previous prime is 766600765991. The next prime is 766600766081. The reversal of 766600765998 is 899567006667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766600765991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1082769090 + ... + 1082769797.

It is an arithmetic number, because the mean of its divisors is an integer number (97449249960).

Almost surely, 2^766600765998 is an apocalyptic number.

766600765998 is an abundant number, since it is smaller than the sum of its proper divisors (792587233362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

766600765998 is a wasteful number, since it uses less digits than its factorization.

766600765998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165538951.

The product of its (nonzero) digits is 205752960, while the sum is 69.

The spelling of 766600765998 in words is "seven hundred sixty-six billion, six hundred million, seven hundred sixty-five thousand, nine hundred ninety-eight".