9641763828 has 48 divisors (see below), whose sum is σ = 25047400000. Its totient is φ = 3207462624.

The previous prime is 9641763827. The next prime is 9641763839. The reversal of 9641763828 is 8283671469.

9641763828 is a `hidden beast` number, since 96 + 4 + 176 + 382 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9641763823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35563 + ... + 143346.

Almost surely, 2^9641763828 is an apocalyptic number.

It is an amenable number.

9641763828 is an abundant number, since it is smaller than the sum of its proper divisors (15405636172).

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

9641763828 is a wasteful number, since it uses less digits than its factorization.

9641763828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179421 (or 179413 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 9641763828 is about 98192.4835616250. The cubic root of 9641763828 is about 2128.3946721779.

The spelling of 9641763828 in words is "nine billion, six hundred forty-one million, seven hundred sixty-three thousand, eight hundred twenty-eight".