73989932886 has 48 divisors (see below), whose sum is σ = 169022068800. Its totient is φ = 23327428464.

The previous prime is 73989932873. The next prime is 73989932903. The reversal of 73989932886 is 68823998937.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 36945 + ... + 386451.

It is an arithmetic number, because the mean of its divisors is an integer number (3521293100).

Almost surely, 2^73989932886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73989932886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84511034400).

73989932886 is an abundant number, since it is smaller than the sum of its proper divisors (95032135914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73989932886 is a wasteful number, since it uses less digits than its factorization.

73989932886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350153 (or 350150 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 72.

The spelling of 73989932886 in words is "seventy-three billion, nine hundred eighty-nine million, nine hundred thirty-two thousand, eight hundred eighty-six".