81760759762 has 16 divisors (see below), whose sum is σ = 133797684384. Its totient is φ = 37161940000.

The previous prime is 81760759727. The next prime is 81760759763. The reversal of 81760759762 is 26795706718.

It is a junction number, because it is equal to n+sod(n) for n = 81760759697 and 81760759706.

It is not an unprimeable number, because it can be changed into a prime (81760759763) 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 7 ways as a sum of consecutive naturals, for example, 352437 + ... + 536407.

It is an arithmetic number, because the mean of its divisors is an integer number (8362355274).

Almost surely, 2^81760759762 is an apocalyptic number.

81760759762 is a deficient number, since it is larger than the sum of its proper divisors (52036924622).

81760759762 is a wasteful number, since it uses less digits than its factorization.

81760759762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204185.

The product of its (nonzero) digits is 8890560, while the sum is 58.

The spelling of 81760759762 in words is "eighty-one billion, seven hundred sixty million, seven hundred fifty-nine thousand, seven hundred sixty-two".