89685001808 has 40 divisors (see below), whose sum is σ = 174620156928. Its totient is φ = 44621914752.

The previous prime is 89685001787. The next prime is 89685001849. The reversal of 89685001808 is 80810058698.

It is a self number, because there is not a number n which added to its sum of digits gives 89685001808.

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, 11602841 + ... + 11610567.

Almost surely, 2^89685001808 is an apocalyptic number.

It is an amenable number.

89685001808 is a deficient number, since it is larger than the sum of its proper divisors (84935155120).

89685001808 is a wasteful number, since it uses less digits than its factorization.

89685001808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11211 (or 11205 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 53.

The spelling of 89685001808 in words is "eighty-nine billion, six hundred eighty-five million, one thousand, eight hundred eight".