78280083005489 has 8 divisors (see below), whose sum is σ = 81943349045760. Its totient is φ = 74687948344800.

The previous prime is 78280083005413. The next prime is 78280083005557. The reversal of 78280083005489 is 98450038008287.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78280083005489 - 2¹⁶ = 78280082939953 is a prime.

It is a super-2 number, since 2×78280083005489² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (78280083065489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17782842644 + ... + 17782847045.

It is an arithmetic number, because the mean of its divisors is an integer number (10242918630720).

Almost surely, 2^{78280083005489} is an apocalyptic number.

It is an amenable number.

78280083005489 is a deficient number, since it is larger than the sum of its proper divisors (3663266040271).

78280083005489 is a wasteful number, since it uses less digits than its factorization.

78280083005489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35565689791.

The product of its (nonzero) digits is 30965760, while the sum is 62.

The spelling of 78280083005489 in words is "seventy-eight trillion, two hundred eighty billion, eighty-three million, five thousand, four hundred eighty-nine".