89005855864 has 32 divisors (see below), whose sum is σ = 172107738000. Its totient is φ = 43120442880.

The previous prime is 89005855831. The next prime is 89005855867. The reversal of 89005855864 is 46855850098.

It is a junction number, because it is equal to n+sod(n) for n = 89005855799 and 89005855808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89005855867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552514 + ... + 695185.

Almost surely, 2^89005855864 is an apocalyptic number.

It is an amenable number.

89005855864 is a deficient number, since it is larger than the sum of its proper divisors (83101882136).

89005855864 is a wasteful number, since it uses less digits than its factorization.

89005855864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247983 (or 1247979 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 58.

The spelling of 89005855864 in words is "eighty-nine billion, five million, eight hundred fifty-five thousand, eight hundred sixty-four".