84286878535 has 16 divisors (see below), whose sum is σ = 102094613280. Its totient is φ = 66796202880.

The previous prime is 84286878521. The next prime is 84286878553. The reversal of 84286878535 is 53587868248.

It is not a de Polignac number, because 84286878535 - 2⁹ = 84286878023 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 2935800 + ... + 2964370.

It is an arithmetic number, because the mean of its divisors is an integer number (6380913330).

Almost surely, 2^84286878535 is an apocalyptic number.

84286878535 is a deficient number, since it is larger than the sum of its proper divisors (17807734745).

84286878535 is a wasteful number, since it uses less digits than its factorization.

84286878535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34098.

The product of its digits is 103219200, while the sum is 64.

It can be divided in two parts, 842868 and 78535, that added together give a triangular number (921403 = T₁₃₅₇).

The spelling of 84286878535 in words is "eighty-four billion, two hundred eighty-six million, eight hundred seventy-eight thousand, five hundred thirty-five".