76856548633 has 16 divisors (see below), whose sum is σ = 89384929920. Its totient is φ = 65548935936.

The previous prime is 76856548597. The next prime is 76856548651. The reversal of 76856548633 is 33684565867.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76856548633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76856548663) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5165310 + ... + 5180167.

It is an arithmetic number, because the mean of its divisors is an integer number (5586558120).

Almost surely, 2^76856548633 is an apocalyptic number.

It is an amenable number.

76856548633 is a deficient number, since it is larger than the sum of its proper divisors (12528381287).

76856548633 is a wasteful number, since it uses less digits than its factorization.

76856548633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10345536.

The product of its digits is 87091200, while the sum is 61.

The spelling of 76856548633 in words is "seventy-six billion, eight hundred fifty-six million, five hundred forty-eight thousand, six hundred thirty-three".