8439278858053 has 16 divisors (see below), whose sum is σ = 8469121008240. Its totient is φ = 8409501734400.

The previous prime is 8439278857993. The next prime is 8439278858081. The reversal of 8439278858053 is 3508588729348.

It can be written as a sum of positive squares in 8 ways, for example, as 433763180449 + 8005515677604 = 658607^2 + 2829402^2 .

It is a cyclic number.

It is not a de Polignac number, because 8439278858053 - 2¹⁷ = 8439278726981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8439278858093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1093591951 + ... + 1093599667.

It is an arithmetic number, because the mean of its divisors is an integer number (529320063015).

Almost surely, 2^{8439278858053} is an apocalyptic number.

It is an amenable number.

8439278858053 is a deficient number, since it is larger than the sum of its proper divisors (29842150187).

8439278858053 is a wasteful number, since it uses less digits than its factorization.

8439278858053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11448.

The product of its (nonzero) digits is 464486400, while the sum is 70.

The spelling of 8439278858053 in words is "eight trillion, four hundred thirty-nine billion, two hundred seventy-eight million, eight hundred fifty-eight thousand, fifty-three".