766475450776 has 16 divisors (see below), whose sum is σ = 1642447394640. Its totient is φ = 328489478880.

The previous prime is 766475450773. The next prime is 766475450809. The reversal of 766475450776 is 677054574667.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766475450773) 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 3 ways as a sum of consecutive naturals, for example, 6843530755 + ... + 6843530866.

It is an arithmetic number, because the mean of its divisors is an integer number (102652962165).

Almost surely, 2^766475450776 is an apocalyptic number.

It is an amenable number.

766475450776 is an abundant number, since it is smaller than the sum of its proper divisors (875971943864).

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

766475450776 is a wasteful number, since it uses less digits than its factorization.

766475450776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13687061634 (or 13687061630 counting only the distinct ones).

The product of its (nonzero) digits is 207446400, while the sum is 64.

The spelling of 766475450776 in words is "seven hundred sixty-six billion, four hundred seventy-five million, four hundred fifty thousand, seven hundred seventy-six".