89691996480 has 224 divisors, whose sum is σ = 286943109120. Its totient is φ = 23736330240.

The previous prime is 89691996463. The next prime is 89691996491. The reversal of 89691996480 is 8469919698.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98888187 + ... + 98889093.

Almost surely, 2^89691996480 is an apocalyptic number.

89691996480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89691996480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143471554560).

89691996480 is an abundant number, since it is smaller than the sum of its proper divisors (197251112640).

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

89691996480 is a wasteful number, since it uses less digits than its factorization.

89691996480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597 (or 1587 counting only the distinct ones).

The product of its (nonzero) digits is 60466176, while the sum is 69.

It can be divided in two parts, 896919 and 96480, that added together give a palindrome (993399).

The spelling of 89691996480 in words is "eighty-nine billion, six hundred ninety-one million, nine hundred ninety-six thousand, four hundred eighty".