766506627788 has 24 divisors (see below), whose sum is σ = 1549409120784. Its totient is φ = 327917273600.

The previous prime is 766506627749. The next prime is 766506627791. The reversal of 766506627788 is 887726605667.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is an unprimeable number.

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, 512369993 + ... + 512371488.

It is an arithmetic number, because the mean of its divisors is an integer number (64558713366).

Almost surely, 2^766506627788 is an apocalyptic number.

It is an amenable number.

766506627788 is an abundant number, since it is smaller than the sum of its proper divisors (782902492996).

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

766506627788 is a wasteful number, since it uses less digits than its factorization.

766506627788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024741513 (or 1024741511 counting only the distinct ones).

The product of its (nonzero) digits is 284497920, while the sum is 68.

The spelling of 766506627788 in words is "seven hundred sixty-six billion, five hundred six million, six hundred twenty-seven thousand, seven hundred eighty-eight".