67883477374449 has 27 divisors (see below), whose sum is σ = 107778698331577. Its totient is φ = 41141336656200.

The previous prime is 67883477374337. The next prime is 67883477374459. The reversal of 67883477374449 is 94447377438876.

The square root of 67883477374449 is 8239143.

It is a perfect power (a square), and thus also a powerful number.

67883477374449 is a `hidden beast` number, since 6 + 7 + 8 + 8 + 34 + 7 + 73 + 74 + 449 = 666.

It is not a de Polignac number, because 67883477374449 - 2²³ = 67883468985841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67883477374459) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 271766884 + ... + 272016554.

Almost surely, 2^{67883477374449} is an apocalyptic number.

67883477374449 is the 8239143-rd square number.

67883477374449 is the 4119572-nd centered octagonal number.

It is an amenable number.

67883477374449 is a deficient number, since it is larger than the sum of its proper divisors (39895220957128).

67883477374449 is an frugal number, since it uses more digits than its factorization.

67883477374449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499370 (or 249685 counting only the distinct ones).

The product of its digits is 19118260224, while the sum is 81.

The spelling of 67883477374449 in words is "sixty-seven trillion, eight hundred eighty-three billion, four hundred seventy-seven million, three hundred seventy-four thousand, four hundred forty-nine".