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88485317689 = 281421174779
BaseRepresentation
bin101001001101000100…
…0101100110000111001
322110101200201212121111
41102122020230300321
52422204220131224
6104352151240321
76251514535066
oct1223210546071
9273350655544
1088485317689
113458772292a
12151956790a1
13846208c162
1443d5a95c6d
15247d3d1d94
hex149a22cc39

88485317689 has 8 divisors (see below), whose sum is σ = 88822487520. Its totient is φ = 88148306400.

The previous prime is 88485317681. The next prime is 88485317729. The reversal of 88485317689 is 98671358488.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88485317689 - 23 = 88485317681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88485317681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1145902 + ... + 1220680.

It is an arithmetic number, because the mean of its divisors is an integer number (11102810940).

Almost surely, 288485317689 is an apocalyptic number.

It is an amenable number.

88485317689 is a deficient number, since it is larger than the sum of its proper divisors (337169831).

88485317689 is a wasteful number, since it uses less digits than its factorization.

88485317689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79271.

The product of its digits is 92897280, while the sum is 67.

The spelling of 88485317689 in words is "eighty-eight billion, four hundred eighty-five million, three hundred seventeen thousand, six hundred eighty-nine".

Divisors: 1 281 4211 74779 1183291 21012899 314894369 88485317689