89881369902 has 40 divisors (see below), whose sum is σ = 213247962576. Its totient is φ = 28198075968.

The previous prime is 89881369873. The next prime is 89881369909. The reversal of 89881369902 is 20996318898.

It is a self number, because there is not a number n which added to its sum of digits gives 89881369902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89881369909) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16315578 + ... + 16321085.

Almost surely, 2^89881369902 is an apocalyptic number.

89881369902 is an abundant number, since it is smaller than the sum of its proper divisors (123366592674).

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

89881369902 is a wasteful number, since it uses less digits than its factorization.

89881369902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32636694 (or 32636685 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 63.

The spelling of 89881369902 in words is "eighty-nine billion, eight hundred eighty-one million, three hundred sixty-nine thousand, nine hundred two".