89936885436 has 24 divisors (see below), whose sum is σ = 209860944384. Its totient is φ = 29977788720.

The previous prime is 89936885413. The next prime is 89936885461. The reversal of 89936885436 is 63458863998.

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, 206901 + ... + 471891.

It is an arithmetic number, because the mean of its divisors is an integer number (8744206016).

Almost surely, 2^89936885436 is an apocalyptic number.

It is an amenable number.

89936885436 is an abundant number, since it is smaller than the sum of its proper divisors (119924058948).

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

89936885436 is a wasteful number, since it uses less digits than its factorization.

89936885436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293281 (or 293279 counting only the distinct ones).

The product of its digits is 268738560, while the sum is 69.

The spelling of 89936885436 in words is "eighty-nine billion, nine hundred thirty-six million, eight hundred eighty-five thousand, four hundred thirty-six".