84263067827889 has 24 divisors (see below), whose sum is σ = 122201984639520. Its totient is φ = 51502044818880.

The previous prime is 84263067827843. The next prime is 84263067827909. The reversal of 84263067827889 is 98872876036248.

It is not a de Polignac number, because 84263067827889 - 2¹¹ = 84263067825841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84263067827489) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 769091652 + ... + 769201205.

It is an arithmetic number, because the mean of its divisors is an integer number (5091749359980).

Almost surely, 2^{84263067827889} is an apocalyptic number.

It is an amenable number.

84263067827889 is a deficient number, since it is larger than the sum of its proper divisors (37938916811631).

84263067827889 is a wasteful number, since it uses less digits than its factorization.

84263067827889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538292941 (or 1538292910 counting only the distinct ones).

The product of its (nonzero) digits is 3121348608, while the sum is 78.

The spelling of 84263067827889 in words is "eighty-four trillion, two hundred sixty-three billion, sixty-seven million, eight hundred twenty-seven thousand, eight hundred eighty-nine".