84537844085 has 16 divisors (see below), whose sum is σ = 108594561600. Its totient is φ = 62984837376.

The previous prime is 84537844043. The next prime is 84537844087. The reversal of 84537844085 is 58044873548.

It is a cyclic number.

It is not a de Polignac number, because 84537844085 - 2¹⁴ = 84537827701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84537844085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84537844087) 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, 7535684 + ... + 7546893.

It is an arithmetic number, because the mean of its divisors is an integer number (6787160100).

Almost surely, 2^84537844085 is an apocalyptic number.

It is an amenable number.

84537844085 is a deficient number, since it is larger than the sum of its proper divisors (24056717515).

84537844085 is a wasteful number, since it uses less digits than its factorization.

84537844085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15082660.

The product of its (nonzero) digits is 17203200, while the sum is 56.

The spelling of 84537844085 in words is "eighty-four billion, five hundred thirty-seven million, eight hundred forty-four thousand, eighty-five".