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87766666664322 = 2373553198873979
BaseRepresentation
bin10011111101001011000100…
…111111010101100110000010
3102111202102002220101211200210
4103331023010333111212002
543000432113131224242
6510355241113254550
724325634550401112
oct2375130477254602
9374672086354623
1087766666664322
1125a686a8294778
129a15927104456
1339c84905ba739
141795d02131042
15a2302bd65d9c
hex4fd2c4fd5982

87766666664322 has 16 divisors (see below), whose sum is σ = 175535720699040. Its totient is φ = 29255157659712.

The previous prime is 87766666664321. The next prime is 87766666664359. The reversal of 87766666664322 is 22346666666778.

87766666664322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (87766666664321) 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, 98995672 + ... + 99878307.

It is an arithmetic number, because the mean of its divisors is an integer number (10970982543690).

Almost surely, 287766666664322 is an apocalyptic number.

87766666664322 is an abundant number, since it is smaller than the sum of its proper divisors (87769054034718).

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

87766666664322 is a wasteful number, since it uses less digits than its factorization.

87766666664322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198947537.

The product of its digits is 5267275776, while the sum is 75.

The spelling of 87766666664322 in words is "eighty-seven trillion, seven hundred sixty-six billion, six hundred sixty-six million, six hundred sixty-four thousand, three hundred twenty-two".

Divisors: 1 2 3 6 73553 147106 220659 441318 198873979 397747958 596621937 1193243874 14627777777387 29255555554774 43883333332161 87766666664322