766475424828 has 36 divisors (see below), whose sum is σ = 1937506130560. Its totient is φ = 255488302656.

The previous prime is 766475424823. The next prime is 766475424863. The reversal of 766475424828 is 828424574667.

It is a happy number.

766475424828 is a `hidden beast` number, since 7 + 6 + 6 + 4 + 7 + 542 + 4 + 82 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766475424823) 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 11 ways as a sum of consecutive naturals, for example, 4940901 + ... + 5093667.

Almost surely, 2^766475424828 is an apocalyptic number.

It is an amenable number.

766475424828 is an abundant number, since it is smaller than the sum of its proper divisors (1171030705732).

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

766475424828 is a wasteful number, since it uses less digits than its factorization.

766475424828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292146 (or 292141 counting only the distinct ones).

The product of its digits is 144506880, while the sum is 63.

The spelling of 766475424828 in words is "seven hundred sixty-six billion, four hundred seventy-five million, four hundred twenty-four thousand, eight hundred twenty-eight".