84272768445 has 16 divisors (see below), whose sum is σ = 134865619200. Its totient is φ = 44935746624.

The previous prime is 84272768443. The next prime is 84272768491. The reversal of 84272768445 is 54486727248.

It is not a de Polignac number, because 84272768445 - 2¹ = 84272768443 is a prime.

It is a super-3 number, since 3×84272768445³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84272768443) 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, 536245 + ... + 675354.

It is an arithmetic number, because the mean of its divisors is an integer number (8429101200).

Almost surely, 2^84272768445 is an apocalyptic number.

It is an amenable number.

84272768445 is a deficient number, since it is larger than the sum of its proper divisors (50592850755).

84272768445 is a wasteful number, since it uses less digits than its factorization.

84272768445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216244.

The product of its digits is 24084480, while the sum is 57.

The spelling of 84272768445 in words is "eighty-four billion, two hundred seventy-two million, seven hundred sixty-eight thousand, four hundred forty-five".