89656455936 has 72 divisors (see below), whose sum is σ = 239524750080. Its totient is φ = 29771785216.

The previous prime is 89656455893. The next prime is 89656455997. The reversal of 89656455936 is 63955465698.

It is an unprimeable number.

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, 19956 + ... + 423923.

It is an arithmetic number, because the mean of its divisors is an integer number (3326732640).

Almost surely, 2^89656455936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89656455936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119762375040).

89656455936 is an abundant number, since it is smaller than the sum of its proper divisors (149868294144).

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

89656455936 is a wasteful number, since it uses less digits than its factorization.

89656455936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444161 (or 444147 counting only the distinct ones).

The product of its digits is 209952000, while the sum is 66.

The spelling of 89656455936 in words is "eighty-nine billion, six hundred fifty-six million, four hundred fifty-five thousand, nine hundred thirty-six".