84434676107685 has 48 divisors (see below), whose sum is σ = 137441006280960. Its totient is φ = 44263112273280.

The previous prime is 84434676107659. The next prime is 84434676107693. The reversal of 84434676107685 is 58670167643448.

It is not a de Polignac number, because 84434676107685 - 2¹⁶ = 84434676042149 is a prime.

It is a super-3 number, since 3×84434676107685³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 441695556 + ... + 441886674.

It is an arithmetic number, because the mean of its divisors is an integer number (2863354297520).

Almost surely, 2^{84434676107685} is an apocalyptic number.

It is an amenable number.

84434676107685 is a deficient number, since it is larger than the sum of its proper divisors (53006330173275).

84434676107685 is a wasteful number, since it uses less digits than its factorization.

84434676107685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199706 (or 199647 counting only the distinct ones).

The product of its (nonzero) digits is 650280960, while the sum is 69.

The spelling of 84434676107685 in words is "eighty-four trillion, four hundred thirty-four billion, six hundred seventy-six million, one hundred seven thousand, six hundred eighty-five".