84287535298561 has 32 divisors (see below), whose sum is σ = 99465004477440. Its totient is φ = 69929718144000.

The previous prime is 84287535298553. The next prime is 84287535298583. The reversal of 84287535298561 is 16589253578248.

It is a cyclic number.

It is not a de Polignac number, because 84287535298561 - 2³ = 84287535298553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84287535298661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27835155 + ... + 30714343.

It is an arithmetic number, because the mean of its divisors is an integer number (3108281389920).

Almost surely, 2^{84287535298561} is an apocalyptic number.

It is an amenable number.

84287535298561 is a deficient number, since it is larger than the sum of its proper divisors (15177469178879).

84287535298561 is a wasteful number, since it uses less digits than its factorization.

84287535298561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880225.

The product of its digits is 1161216000, while the sum is 73.

The spelling of 84287535298561 in words is "eighty-four trillion, two hundred eighty-seven billion, five hundred thirty-five million, two hundred ninety-eight thousand, five hundred sixty-one".