84087842896 has 20 divisors (see below), whose sum is σ = 162934189600. Its totient is φ = 42040310112.

The previous prime is 84087842893. The next prime is 84087842897. The reversal of 84087842896 is 69824878048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84087842893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28386 + ... + 411073.

It is an arithmetic number, because the mean of its divisors is an integer number (8146709480).

Almost surely, 2^84087842896 is an apocalyptic number.

It is an amenable number.

84087842896 is a deficient number, since it is larger than the sum of its proper divisors (78846346704).

84087842896 is a wasteful number, since it uses less digits than its factorization.

84087842896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451426 (or 451420 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 64.

The spelling of 84087842896 in words is "eighty-four billion, eighty-seven million, eight hundred forty-two thousand, eight hundred ninety-six".