76556433465568 has 48 divisors (see below), whose sum is σ = 181317868744320. Its totient is φ = 31083063209856.

The previous prime is 76556433465563. The next prime is 76556433465571. The reversal of 76556433465568 is 86556433465567.

It is a self number, because there is not a number n which added to its sum of digits gives 76556433465568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76556433465563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8993937646 + ... + 8993946157.

It is an arithmetic number, because the mean of its divisors is an integer number (3777455598840).

Almost surely, 2^{76556433465568} is an apocalyptic number.

It is an amenable number.

76556433465568 is an abundant number, since it is smaller than the sum of its proper divisors (104761435278752).

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

76556433465568 is a wasteful number, since it uses less digits than its factorization.

76556433465568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17987883839 (or 17987883831 counting only the distinct ones).

The product of its digits is 6531840000, while the sum is 73.

Subtracting 76556433465568 from its reverse (86556433465567), we obtain a palindrome (9999999999999).

The spelling of 76556433465568 in words is "seventy-six trillion, five hundred fifty-six billion, four hundred thirty-three million, four hundred sixty-five thousand, five hundred sixty-eight".