681080285763 has 32 divisors (see below), whose sum is σ = 1028336601600. Its totient is φ = 445388983200.

The previous prime is 681080285731. The next prime is 681080285771. The reversal of 681080285763 is 367582080186.

681080285763 is a `hidden beast` number, since 68 + 1 + 0 + 8 + 0 + 2 + 8 + 576 + 3 = 666.

It is not a de Polignac number, because 681080285763 - 2⁵ = 681080285731 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (681080285773) 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 31 ways as a sum of consecutive naturals, for example, 270658 + ... + 1198088.

It is an arithmetic number, because the mean of its divisors is an integer number (32135518800).

Almost surely, 2^681080285763 is an apocalyptic number.

681080285763 is a deficient number, since it is larger than the sum of its proper divisors (347256315837).

681080285763 is a wasteful number, since it uses less digits than its factorization.

681080285763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927960 (or 927954 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 681080285763 in words is "six hundred eighty-one billion, eighty million, two hundred eighty-five thousand, seven hundred sixty-three".