89344857240 has 192 divisors, whose sum is σ = 294965798400. Its totient is φ = 23450169600.

The previous prime is 89344857209. The next prime is 89344857269. The reversal of 89344857240 is 4275844398.

89344857240 is a `hidden beast` number, since 8 + 9 + 344 + 8 + 57 + 240 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9408895 + ... + 9418385.

It is an arithmetic number, because the mean of its divisors is an integer number (1536280200).

Almost surely, 2^89344857240 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 89344857240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147482899200).

89344857240 is an abundant number, since it is smaller than the sum of its proper divisors (205620941160).

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

89344857240 is a wasteful number, since it uses less digits than its factorization.

89344857240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9918 (or 9911 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 89344857240 in words is "eighty-nine billion, three hundred forty-four million, eight hundred fifty-seven thousand, two hundred forty".