84403129889 has 32 divisors (see below), whose sum is σ = 92858088960. Its totient is φ = 76250539008.

The previous prime is 84403129859. The next prime is 84403129927. The reversal of 84403129889 is 98892130448.

It is a cyclic number.

It is not a de Polignac number, because 84403129889 - 2⁸ = 84403129633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84403129859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76106867 + ... + 76107975.

It is an arithmetic number, because the mean of its divisors is an integer number (2901815280).

Almost surely, 2^84403129889 is an apocalyptic number.

It is an amenable number.

84403129889 is a deficient number, since it is larger than the sum of its proper divisors (8454959071).

84403129889 is a wasteful number, since it uses less digits than its factorization.

84403129889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841.

The product of its (nonzero) digits is 3981312, while the sum is 56.

The spelling of 84403129889 in words is "eighty-four billion, four hundred three million, one hundred twenty-nine thousand, eight hundred eighty-nine".