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87468861801 = 3215871350641
BaseRepresentation
bin101000101110110001…
…1001110100101101001
322100202212002120021010
41101131203032211221
52413114012034201
6104103241134133
76214363025616
oct1213543164551
9270685076233
1087468861801
113410598a542
1214b5118a349
13832c60ca79
14433aaa350d
15241e04ebd6
hex145d8ce969

87468861801 has 8 divisors (see below), whose sum is σ = 116630637984. Its totient is φ = 58309830080.

The previous prime is 87468861791. The next prime is 87468861827. The reversal of 87468861801 is 10816886478.

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 87468861801 - 25 = 87468861769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87468861881) by changing a digit.

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, 610560 + ... + 740081.

It is an arithmetic number, because the mean of its divisors is an integer number (14578829748).

Almost surely, 287468861801 is an apocalyptic number.

It is an amenable number.

87468861801 is a deficient number, since it is larger than the sum of its proper divisors (29161776183).

87468861801 is a wasteful number, since it uses less digits than its factorization.

87468861801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372231.

The product of its (nonzero) digits is 4128768, while the sum is 57.

The spelling of 87468861801 in words is "eighty-seven billion, four hundred sixty-eight million, eight hundred sixty-one thousand, eight hundred one".

Divisors: 1 3 21587 64761 1350641 4051923 29156287267 87468861801