89014947840 has 1664 divisors, whose sum is σ = 409523788800. Its totient is φ = 17836277760.

The previous prime is 89014947821. The next prime is 89014947841. The reversal of 89014947840 is 4874941098.

89014947840 is a `hidden beast` number, since 8 + 90 + 1 + 49 + 478 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (1664).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89014947841) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 1459261410 + ... + 1459261470.

Almost surely, 2^89014947840 is an apocalyptic number.

89014947840 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 89014947840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204761894400).

89014947840 is an abundant number, since it is smaller than the sum of its proper divisors (320508840960).

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

89014947840 is a wasteful number, since it uses less digits than its factorization.

89014947840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 89014947840 in words is "eighty-nine billion, fourteen million, nine hundred forty-seven thousand, eight hundred forty".