76144539204 has 18 divisors (see below), whose sum is σ = 192476474190. Its totient is φ = 25381513056.

The previous prime is 76144539193. The next prime is 76144539217. The reversal of 76144539204 is 40293544167.

76144539204 is a `hidden beast` number, since 7 + 614 + 4 + 5 + 3 + 9 + 20 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 55649753604 + 20494785600 = 235902^2 + 143160^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 76144539204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1057563009 + ... + 1057563080.

It is an arithmetic number, because the mean of its divisors is an integer number (10693137455).

Almost surely, 2^76144539204 is an apocalyptic number.

It is an amenable number.

76144539204 is an abundant number, since it is smaller than the sum of its proper divisors (116331934986).

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

76144539204 is a wasteful number, since it uses less digits than its factorization.

76144539204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115126099 (or 2115126094 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

Adding to 76144539204 its sum of digits (45), we get a square (76144539249 = 275943²).

The spelling of 76144539204 in words is "seventy-six billion, one hundred forty-four million, five hundred thirty-nine thousand, two hundred four".