89990012002 has 16 divisors (see below), whose sum is σ = 147261555072. Its totient is φ = 40903114320.

The previous prime is 89990011939. The next prime is 89990012009. The reversal of 89990012002 is 20021009998.

It is not an unprimeable number, because it can be changed into a prime (89990012009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808663 + ... + 913189.

It is an arithmetic number, because the mean of its divisors is an integer number (9203847192).

Almost surely, 2^89990012002 is an apocalyptic number.

89990012002 is a deficient number, since it is larger than the sum of its proper divisors (57271543070).

89990012002 is a wasteful number, since it uses less digits than its factorization.

89990012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143673.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 89990012002 in words is "eighty-nine billion, nine hundred ninety million, twelve thousand, two".