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8687427663 = 33125392657
BaseRepresentation
bin10000001011100111…
…11010000001001111
3211102102221001101010
420011303322001033
5120242440141123
63554013420303
7425165626305
oct100563720117
924372831333
108687427663
11375890aa92
12182549a693
13a85a9cb55
145c5acc275
1535ca37993
hex205cfa04f

8687427663 has 8 divisors (see below), whose sum is σ = 11583732528. Its totient is φ = 5791370624.

The previous prime is 8687427653. The next prime is 8687427677. The reversal of 8687427663 is 3667247868.

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 8687427663 - 24 = 8687427647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8687427653) 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, 47431 + ... + 140087.

It is an arithmetic number, because the mean of its divisors is an integer number (1447966566).

Almost surely, 28687427663 is an apocalyptic number.

8687427663 is a deficient number, since it is larger than the sum of its proper divisors (2896304865).

8687427663 is a wasteful number, since it uses less digits than its factorization.

8687427663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123913.

The product of its digits is 16257024, while the sum is 57.

The square root of 8687427663 is about 93206.3713648375. The cubic root of 8687427663 is about 2055.7189239339.

The spelling of 8687427663 in words is "eight billion, six hundred eighty-seven million, four hundred twenty-seven thousand, six hundred sixty-three".

Divisors: 1 3 31253 92657 93759 277971 2895809221 8687427663