68081480481447 has 24 divisors (see below), whose sum is σ = 105468827770800. Its totient is φ = 42187531097088.

The previous prime is 68081480481437. The next prime is 68081480481451. The reversal of 68081480481447 is 74418408418086.

68081480481447 is a `hidden beast` number, since 6 + 8 + 0 + 8 + 1 + 480 + 4 + 8 + 144 + 7 = 666.

It is not a de Polignac number, because 68081480481447 - 2³⁰ = 68080406739623 is a prime.

It is a super-2 number, since 2×68081480481447² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68081480481437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3756003322 + ... + 3756021447.

It is an arithmetic number, because the mean of its divisors is an integer number (4394534490450).

Almost surely, 2^{68081480481447} is an apocalyptic number.

68081480481447 is a deficient number, since it is larger than the sum of its proper divisors (37387347289353).

68081480481447 is a wasteful number, since it uses less digits than its factorization.

68081480481447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7512024847 (or 7512024844 counting only the distinct ones).

The product of its (nonzero) digits is 44040192, while the sum is 63.

The spelling of 68081480481447 in words is "sixty-eight trillion, eighty-one billion, four hundred eighty million, four hundred eighty-one thousand, four hundred forty-seven".