89966121982 has 16 divisors (see below), whose sum is σ = 147221941104. Its totient is φ = 40892400000.

The previous prime is 89966121941. The next prime is 89966122003. The reversal of 89966121982 is 28912166998.

It is a self number, because there is not a number n which added to its sum of digits gives 89966121982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184182 + ... + 1257862.

It is an arithmetic number, because the mean of its divisors is an integer number (9201371319).

Almost surely, 2^89966121982 is an apocalyptic number.

89966121982 is a deficient number, since it is larger than the sum of its proper divisors (57255819122).

89966121982 is a wasteful number, since it uses less digits than its factorization.

89966121982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129195.

The product of its digits is 6718464, while the sum is 61.

The spelling of 89966121982 in words is "eighty-nine billion, nine hundred sixty-six million, one hundred twenty-one thousand, nine hundred eighty-two".